Wikipedia:List of online reference desks/Science


 * Inclusion on this list of online reference desks is not an endorsement.
 * Organization of entries follows the list of Dewey Decimal classes.

Directories of science reference desks

 * Common Science Question and Answers


 * Society for American Archaeology
 * Ask an Archaeologist - SAA Archaeology for the Public

Science (500–599)

 * Ask Science Dude


 * ASK JANICE | JVC&#039;s Science Fair Projects


 * Have a question? - Here you can ask any question that comes to mind. (science and technology)


 * Australian Broadcasting Corporation
 * Ask an Expert (ABC Science)


 * Science: Ask a Question: Get Answers: Free Online Fun for Kids: Alfy.com


 * Ask a Scientist


 * Ask Harry Gilbert: Science Questions & Answers


 * Fred Bortz, Children's Science Writer


 * NewScientist The Last Word - Index page ("the place where you ask questions about everyday science")


 * Ask the Expert: Connecting Students to Scientists


 * Washington State University
 * MAD Submission Form


 * Argonne National Laboratory
 * NEWTON, Ask a Scientist at Argonne National Labs!


 * science.ca Ask-A-Question


 * Science Buddies: Answers to Your Science Questions


 * Scientific American
 * Scientific American: Ask the Experts


 * Scientist Solutions


 * Science Matters! - Last Update: 1/1/97


 * Science mysteries solved - ask a question - get clear, accurate answers - by WonderQuest (science)


 * Discovery Channel
 * Ask Wendell: Science Entertainment for Kids

Mathematics (510–519)
See List of online reference desks/Mathematics.

Astronomy (520–529)

 * astronomyLINKS - ask the expert - astronomy and space directory, links, booksmarks and more. (directory of astronomy reference desks)


 * Aerospaceweb.org | Ask Us - Ask a Rocket Scientist


 * Cornell University
 * Curious About Astronomy? Ask an Astronomer


 * George Mason University
 * Ask an Astronomer


 * Ask the Astronomer at The Astronomy Cafe : Dr. Sten Odenwald - 3000 FAQs and answers!!!


 * Public Broadcasting Service
 * Mysteries of Deep Space - Ask the Experts


 * NASA
 * HSF-Feedback-Ask the Experts (human space flight)


 * NASA
 * Ask an Astrophysicist


 * NASA
 * NASA - IMAGE Education and Public Outreach (space science)


 * NASA
 * SPARTAN 201-3: Ask the Astronomers (and Space Physicists)


 * NASA
 * :: NASA Quest &gt; Q and A ::


 * NASA
 * NASA's Cosmicopia -- Ask Us (NASA's Cosmicopia -- Ask Us)


 * NASA
 * Introduction &laquo; Ask an Astrobiologist &laquo; NASA Astrobiology


 * NASA
 * Brain Bites - NASA Science


 * NASA
 * Caenorhabditis elegans
 * Ask a C.elegans Expert a question!


 * NASA
 * Aerospace Team Online: Ask Questions


 * NASA
 * NASA - IMAGE Education and Public Outreach (space science)


 * NASA
 * NASA - NASA Chat: The Quest for Planets


 * Readers Ask Questions and Space Today Online Answers


 * Ask the Experts (physics and astronomy)


 * Wichita State University
 * Lake Afton Public Observatory
 * Ask an Astronomer


 * Ask the Astronomer | Your Astronomy Questions Answered | Windowpane Observatory


 * You Ask Andy (questions about astronomy, life science, earth science, physical sciences & geography)


 * Stanford SOLAR Center -- Ask A Solar Physicist


 * Dr. C. ("Your Personal Mars Expert") ("a computerized scientist")

Physics (530–539)

 * The Bubblesphere


 * Princeton Plasma Physics Laboratory
 * ippex online - main (The Internet Plasma Physics Education Experience)


 * University of Illinois at Urbana–Champaign
 * Q &amp; A: Ask the Van | Department of Physics | University of Illinois at Urbana-Champaign


 * Channel 4
 * Master of the Universe - Trivia - Ask An Expert: Your Questions &amp; Answers - Channel 4


 * Fermilab
 * Inquiring Minds ("Physics Questions People Ask Fermilab")


 * How Everything Works - How Everything Works Home Page ("Explaining the physics of everyday life")
 * How Everything Works - Topics (physics)

Light and paraphotic phenomena (535)

 * Vragen en antwoorden over elektro-magnetische straling (Questions and answers about electromagnetic radiation)


 * Rochester Institute of Technology
 * Ask a Color Scientist!


 * Ask the Experts (radiation safety)


 * Health Physics Society
 * Radiation Information - Questions and Answers | Radiation Information and Answers

Chemistry (540–549)

 * Frostburg State University, Frostburg, MD
 * General Chemistry Online: Just Ask Antoine


 * American Chemistry Council
 * americanchemistry.com : ask a question


 * Chemical Forums - Index


 * Free High School &amp; College Chemistry Help | My Chemistry Tutor


 * National Center for Manufacturing Sciences
 * Paint and Coating Resource Center


 * Ask an Expert : Radiochemistry Society

Earth sciences (550–559)

 * United States Geological Survey
 * USGS Mineral Resources Program: Resource Specialists Directory


 * United States Geological Survey
 * USGS: Ask-A-Geologist


 * United States Department of Energy
 * Ask A Scientist - Environmental and Earth Science Index


 * Home Energy Topics - EnergySavvy.com


 * University of Hawaii
 * Ask an Earth-Scientist


 * University of Hawaii at Manoa
 * Ask an Earth-Scientist


 * University of Illinois at Urbana–Champaign
 * Institute of Natural Resource Sustainability (geology)


 * Platinum Metals Review (scientific journal)
 * PMR: Ask a Question


 * Virginia Institute of Marine Science
 * Bridge - Ask An Oceanographer


 * Ask a Gemologist


 * R4U!(TM)="Diamonds Are For You"--Van-Daaz's Diamond Question & Answers center


 * ask Dave West: The Jewelry Expert: Questions & Answers


 * USA Today
 * Ask the Experts: Your weather questions answered - USATODAY.com


 * Hurricane Hunters (53d Weather Reconnaissance Squadron)
 * Hurricane Hunters Association


 * Ask A Weather Question


 * Ask Dave (questions about weather and climate)


 * Ask Jack a Question | Jack Williams (about weather)

Paleontology and paleozoology (560–569)

 * Morrison Natural History Museum, Morrison, Colorado
 * MNHM: Education: Ask Us ("Ask-A-Paleontologist")


 * Bureau of Land Management at United States Department of the Interior
 * BLM Paleontology (ask the paleontologist)

Life sciences and biology (570–579)

 * Howard Hughes Medical Institute
 * Ask a Scientist (biological sciences)


 * Welcome to Ask a Biologist | Ask A Biologist


 * Arizona State University
 * Ask A Biologist
 * Ask A Biologist | ASU - Ask A Biologist


 * Ask Dr. Pat - your biology resource


 * SeaWorld
 * Busch Gardens
 * ASK SHAMU - Index (marine biology)


 * Ask Jake, the SeaDog ~ WhaleTimes.org (marine biology)


 * Ask Questions (biology)


 * National Museum of Natural History
 * Ask the Expert (biology)


 * eNature: Ask an Expert


 * Popular Science (magazine)
 * Ask an Interspecies Musicologist | Popular Science


 * Jim Harding (wildlife expert), Michigan State University Museum, Michigan State University, East Lansing, MI
 * Wildlife & Natural History Q-line - Ask Jim Your Questions

Ecology (577)

 * Ask the Green Fairy (questions about going green)


 * GreenAnswers | Environmental Questions &amp; Answers


 * Ask Ben - The Answers to Your Biodiesel Questions!


 * Chasing Clean Air: Ask Donna


 * ASK THE EXPERTS


 * Environmental Working Group
 * Enviroblog


 * U.S. Global Change Research Information Office
 * U.S. Global Change Research Information Office


 * Ask Green Irene Knowledgebase (about green products and solutions)


 * Green Pro Forums, Ask Green Pro, Green Home Improvement Questions (questions about going green)


 * Grist (magazine)
 * Ask Umbra on Grist


 * Ask A New Jersey Environmental Expert


 * Mother Earth News
 * Ask Our Experts blog ("Answers to questions about gardening, energy, homesteading and other sustainable living topics.")


 * Slate (magazine)
 * The Green Lantern 2011 - Illuminating answers to environmental questions. - Slate Magazine


 * Sabine River Authority of Texas
 * Water Wizard


 * Ask the Expert Webinar Series | TestAmerica Laboratories, Inc. (questions about environmental testing)


 * Green Numbers Radio: Ask the Expert Show (based in San Diego) (about going green and being profitable)

Animals and zoology (590–599)

 * American Society for the Prevention of Cruelty to Animals
 * ASPCA | Ask Azula ("The website for kids who love animals")


 * Ask the Entomologist - Terminix Service, Inc.


 * Zoo Tycoon - Ask the Zookeeper


 * Dickerson Park Zoo
 * Ask the Zookeeper | Dickerson Park Zoo


 * Lincoln Children's Zoo
 * Lincoln Children's Zoo Ask a Zookeeper


 * AskTheBeekeeper


 * Ask The Beekeeper


 * Beekeeping/Frequently Asked Questions - Wikibooks, open books for an open world


 * University of Minnesota
 * Ask the Expert (monarch butterflies)

Cold-blooded vertebrates, fishes (597)

 * - Gopher Tortoise Ask the Expert - Friends of the Enchanted Forest - Titusville, Florida (gopher tortoise)

Aves; Birds (598)

 * Cornell University, Ithaca, NY
 * Frequently Asked Questions, Ask an Expert, All About Birds, Cornell Lab of Ornithology

Mammalia; Mammals (599)

 * Wheelock College
 * WhaleNet/ASK a Scientist (marine mammals)

Technology; Applied sciences (600–609)

 * Saskatchewan Institute of Applied Science and Technology
 * SIAST Library Services


 * iFixit
 * Answers - iFixit

Invention and patents (608)

 * Ask The Inventors

General medicine reference desks (including some with specialist categories)

 * Ask Question To An Online Doctor | Online Doctors, Free Health Advice , Health News, Treatment, Cure and Prevention Of diseases


 * Ask a Doctor Online


 * Ask Dr. Gott


 * Ask Medical Questions Online (directory of medical reference desks)


 * Ask Dr Pat... Dr Patricia Boulogne


 * Health Experts: Ask Health Questions of Professionals - MSN Health


 * Webcam Doctors (tm) - Online Doctor Services by webcam


 * Ask A Doctor | Online Doctor | Ask The Doctor | Ask Doctor


 * Beaumont Hospitals, Royal, Michigan
 * Ask a Beaumont Doctor


 * Ask A Doctor Free Online | FREE LIVE Doctor Chat Now


 * Ask a Doctor a Question | Online Medical consultation | Dr Chat


 * Ask Doctor For Free - Get your medical questions answered by one of our doctors (FREE)


 * Dr. Dawn Motyka, KUSP radio, Santa Cruz, California
 * Ask Doctor Dawn (audio archives)


 * Ask a medical doctor. Get your medical questions answered by one of our doctors.


 * Ask Medical Experts - Online Medical Advice - Doctors answer your questions


 * Ask Online Doctor | Ask A Doctor | Ask The Doctor | Your Health Questions Answered with Online Live Chat Doctor Consultation


 * Ask Online Doctors : Ask a Dr : Web MD : Medical Advice : A Doctor Online Live : OB Gyn : Family Practice : On Line for Chat : Medical Questions : Askonlinedoctor


 * Ask The Doctor - Ask A Doctor Medical Questions (FREE) (page opens with running video about the service, duration 2:51)


 * Ask the Doctor Online (based in South Africa)


 * Ask Wellness - What&#039;s Your Wellness Question?


 * Free patient websites, blogs, support and community - CarePages.com ("CarePages websites are free patient blogs that connect friends and family during a health challenge")


 * Ask the Expert Questions & Answers | Care New England Wellness Center Warwick, RI


 * CNN
 * Health News - Medical, Mental and Dental Treatment - Beauty, Nutrition and Fitness - CNN.com


 * Consult Doctors Medical Advice Health Questions


 * Consulting health care from The Consulting Health Group, natural health care, mental health care, dog health care, cat health care


 * Descipher&#8482; - Simplify Science&#8482;


 * Diagnose-Me - Online Diagnosis - Diagnostic Tool


 * Ask Dr.Oz | The Dr. Oz Show


 * Doctors Lounge - Ask a Doctor Free, Online Medical Community, Forum, Encyclopedia


 * DrJoshua.com - Ask the Doctor Online - Free Medical Questions


 * Andrew Weil
 * Ask Dr. Weil


 * Online Medical Consultation | EasyHealthMD (by webcam and telephone) (in English and Spanish)


 * eDocAmerica


 * Home - Embarrassing Problems


 * Ask the Experts - a forum for medical questions related to living in Indonesia - page 1


 * Columbia University
 * Go Ask Alice!
 * Go Ask Alice! - Columbia University's Health Q&A Internet Service


 * Ask a top specialist - Online medical advice/diagnosis
 * Ask your health Question in the Community


 * Take control of your health |HealtheTreatment.com (enabling conversations between people with similar conditions or symptoms)


 * Ask Health Questions Online For Quick Answers:Ask Health Questions


 * Holly Peek (student), Tulane University, New Orleans, LA
 * Ask Holly (health questions)


 * Ask A Doctor Online Free, A free Online Doctor To Ask Now!


 * Ask a Life Care Planner Expert


 * Ask Health Questions - Get down-to-earth answers


 * InteliHealth:


 * Ask The Doctor, Medical Questions Answered - Just Ask Medical


 * Home | MDTalks - Free Personalized Medical Questions and Answers


 * Health community, health information, medical questions, and medical apps - MedHelp


 * Ask the Experts Index of Topics. Find answers to your health and medical questions on MedicineNet.com


 * Medpedia
 * Medpedia - Medpedia ("Ask a Medical/Health Question")


 * Mountain States Health Alliance
 * Ask-A-Nurse (service by telephone, for TN, VA, NC, and KY only)


 * Ask the doctor


 * Ask an Expert - Help


 * Ask The Doctor Online - Your Family Doctor


 * Online Medical Advice | Health and Medical Information


 * Medical Mall - Ask-a-Doc


 * Ask a Doctor Medical Questions Online


 * Medical Questions Answered Free : Ask Medical Questions


 * Ask Our Doctors


 * The Globe and Mail, based in Toronto
 * Ask a Health Expert - The Globe and Mail


 * Medical questions-Answer my health question-Themedicalquestions.com


 * The Patient Forum - Ask the Expert


 * University of Maryland Medical Center
 * Ask the Expert


 * Health care question and answers - Ask, answer and share


 * World Health Organization
 * WHO | Online Q&A (in Arabic, Chinese, English, French, Russian, and Spanish)


 * Ask medical questions to a Doctor Online


 * Medical Questions? Ask a Doctor for Free Health Info | ZocDoc Answers


 * Ask the Expert


 * Free Ask A Doctor Online | Find A Doctor In My Area | Find A Physician | Local ImYourDoctor - ImYourDoctor.com (for the United States)

Ears; hearing

 * Expert chat - Hear the World

Eyes; vision; ophthalmology

 * Ask the Medical Eye Doctor, infections, allergies, iritis, surgery and more


 * American Health Assistance Foundation
 * Glaucoma: Ask an Expert


 * American Health Assistance Foundation
 * Macular Degeneration: Ask an Expert


 * Eye Doctor Q and A - Table of Contents - AllAboutVision.com


 * Ask the Medical Eye Doctor, eye infections, LASIK, allergies, iritis, surgery, dilated pupils and more


 * American Academy of Ophthalmology
 * Ask an Eye M.D.


 * Ask an Eye Doctor | Glaucoma Research Foundation

Heart; cardiology

 * Ask the Cardiologist

Lungs; pulmonology

 * YourLungHealth.org - Ask Dr. Tom

Mental health

 * American Health Assistance Foundation
 * Alzheimer's Disease: Ask an Expert


 * Ask Happyshrink: Mental Health information, advice and humor


 * Ask the Mental Health Expert Archives 2001-2004


 * Anxiety Advice


 * Coping Questions and Tips


 * Relaxation Questions, Tips, and Requests


 * Stress Coping: Questions and Answers About Stress

Muscles and bones

 * Ask Dr Bones (musculoskeletal health-related questions)


 * RheumMD | Your arthritis questions. Expert answers.


 * American Podiatric Medical Association
 * Ask The Expert (podiatry; feet)


 * Arthritis Foundation
 * Arthritis Answers


 * Arthritis Foundation
 * Expert advice | Doctors Answer Questions | Arthritis Today Magazine


 * Johns Hopkins Hospital
 * Arthritis ask the expert


 * Ask the Chiropractor

Naturopathy

 * Natural Health Information: Ask Free Health Questions &amp; Natural Health Articles - NaturalHealthInformation.org


 * Ask Lena Health Questions and Answers Archives


 * Welcome To Askanaturopath.com - Ask a Naturopath Home


 * Ask Dr. Hull Alternative Health Web Forum


 * Ask Dr. Mao | The Natural Health Search Engine


 * Ask The Doctor - Green Health Spot


 * Answer my Health Question Online - Ask Health Questions now


 * Ask a Naturopathic Doctor - MyWebND


 * Home Remedies - Health Questions &amp; Answers Forum - Natural Treatments

Nutrition; diet

 * Ask Andy | Food Hygiene Essentials


 * Allergy Specialist and Clinical Nutritionist


 * Dr. Richard Bernstein
 * Teleseminar (questions about diabetes)
 * Ask Dr. Richard K. Bernstein


 * AskDrRichardWilliams.com (questions about noni juice)


 * Ask Fitness Coach - Answering The Questions That Burn | Exercise | Nutrition | Hypnosis For Weight Loss | Supplements


 * Brenda Watson, Digestive Care & Nutrition Expert | Achieve Vibrant Health & Wellness


 * CINDY SAYS • WELLNESS • FITNESS • NUTRITION - Ask Cindy


 * Ask the Dietitian&reg; Home


 * Harvard School of Public Health at Harvard University, Boston, MA, USA
 * Your Nutrition Questions Answered - The Nutrition Source - Harvard School of Public Health


 * Ask Health Questions About Any Type Of Digestive Diseases, Other Health Issues.


 * Ask The Expert | LittleStomaks


 * Nutrition.com.sg - Ask the Dietitian (for Singapore and region)
 * NutritionWerks - Ask A Dietitian (for North America)


 * Food safety


 * Federal government of the United States (FSIS, USDA, FDA, CDC)
 * Ask the Experts | FoodSafety.gov


 * Ask a Food Safety Expert


 * US Food Safety Corporation, Wilmington, MA
 * Ask Heidi (about food safety)


 * Eating disorders


 * Ask a Diabetes Expert


 * National Eating Disorders Association ("Ask an Expert")
 * National Eating Disorders Association


 * Questions & Answers (anorexia, bulimia, eating disorders)

Occupational safety and health

 * National Institute for Occupational Safety and Health
 * CDC - Ask an Occupational Safety and Health Question - NIOSH

Physical training

 * Fitness Questions - Ask A Fitness Expert - Ask A Personal Trainer

Radiological issues

 * Integrated Environmental Management, Inc.
 * Ask A CHP - IEM ["Integrated Environmental Management, Inc. (IEM) is pleased to offer visitors to this web site an opportunity to ask a Certified Health Physicist (CHP) a question on any radiological issue that your firm or organization is facing. "]

Sports medicine

 * Runner's World
 * Ask Coach Jenny | Runner&#039;s World
 * Ask the Sports Dietitian | Runner&#039;s World
 * Ask the Race Director | Runner&#039;s World
 * Ask the Sports Doc

Teeth; dentistry

 * Ask the Dentist


 * Ask The Dentist Dental Health Directory Ask Dental Questions Get Professional Answers for Dental Problems


 * FLUORIDE CLASS ACTION &raquo; Ask Dr. Sauerheber (questions about "the science surrounding fluoridation")


 * Spencer Zaugg | Family &amp; Implant Dentistry


 * Ask an Expert - Get Answers from the Experts at Fixodent | DentureLiving.com

Pharmacology and therapeutics (615)

 * Online Therapy, Counselling &amp; Mental Health Resources


 * Ask the Therapist


 * Drug Questions? Ask Curtis


 * Ask FES a Question (flower essence therapy)


 * Food Safety and Inspection Service at United States Department of Agriculture
 * Salmonella Questions and Answers


 * Got a GMP question? Ask Globepharm for an answer (good manufacturing practice for pharmaceuticals)


 * Pill Swallowing Questions &amp; Answers - Ask the Expert! Dawn Winkelmann, M.S. CCC-SLP


 * Ask the expert | PJ Online (pharmacy and medicines)

Diseases (616)

 * Ask An Oncologist Now - Get your cancer related questions answered by one of our oncologists (FREE)


 * Information Request (ADHD)


 * ADHD and Omega-3 Fish Oil Supplements Safe Dosage | Attention Deficit Hyperactivity Disorder Experts - ADDitude (attention deficit hyperactivity disorder)


 * Temple Grandin
 * Welcome to Temple Grandin's Official Autism Website


 * Autism Today, latest news and resources for autism and autism related issues


 * Live Q &amp; A Events - Ambitious about Autism


 * Epilepsy Foundation
 * Epilepsy Foundation-Ask the Epilepsy Resource Center Staff


 * Centers for Disease Control and Prevention
 * CDC: West Nile Virus - Questions and Answers Index (in English and Spanish)


 * Ask an Expert: Questions and Answers by Derrick DeSilva Jr., M.D. - Diseases and Disorders - InsidersHealth.com


 * Prostate Cancer Treatment Questions and Answers


 * Thimerosal, squalene and Guillain-Barré: Expert answers to your seasonal and H1N1 flu questions


 * Federal government of the United States
 * Got Questions? Ask the Flu Experts! | Flu.gov (in English and Spanish)


 * Medical Questions and Information About Mesothelioma; It's diagnosis, malignacy, treatment, specialist, and links to asbestos cancer reasearch, asbestosis medicine, mesothelioma treatment centers and mesothelioma legal resources. [sic] (asbestosis and asbestos cancer)


 * International Hyperdrosis Society
 * International Hyperhidrosis Society: Ask Frances: (about teen hyperhidrosis, excessive sweating in teens)


 * Project Inform
 * Ask a question about HIV care | Project Inform


 * Johns Hopkins School of Medicine, Baltimore, MD
 * Ask the Doctor About GERD: Johns Hopkins Health Alerts (about gastroesophageal reflux disease)


 * Johns Hopkins School of Medicine, Baltimore, MD
 * Johns Hopkins CF Center | What is CF? | Ask the Experts (about cystic fibrosis)

Surgery and related medical specialties (617)

 * Ask Plastic Surgeons Questions - Plastic Surgery Experts Answer Your Questions - Plastic Surgery Answers From Board Certified Plastic Surgeons


 * Ask a Board Certified Plastic Surgeon Your Questions - Breast Augmentation Expert Answers Your Questions - Ask an Expert at Breast Implants USA


 * NoBlood Answers (bloodless surgery)
 * Ask a Professional (bloodless surgery)

Gynaecology and other medical specialties (618)

 * Ask Dr. Amy - Am I Pregnant?


 * Ask a Midwife


 * Girl puberty questions? Ask Iris - expert online! All growing up issues - BeingGirl.com


 * Ask your question | Expert Q/A | Pregnancy Today


 * Ask your question | Expert Q/A | Babies Today


 * Ask the Experts |  mothering


 * RESPA: Ask the Expert, Answers
 * Ask the Expert (teen health)


 * Expert Answers on. . . (teen health) (in English and Spanish)


 * FRANK - Talk to FRANK (about drugs)


 * Ask an expert | Advice and information | NHS SmokeFree (smoking cessation)


 * Ask an Expert (continence)


 * OncoLink Ask the Experts, Cancer Symptoms, Cancer Prevention, Cancer Treatment


 * OncoLink Ask the Experts, Cancer Symptoms, Cancer Prevention, Cancer Treatment


 * Prostate Cancer Treatment Questions and Answers


 * Eyes on the Prize: Frequently Asked Questions about Gynecologic Cancers: Answers from the Pros: Cervical, Endometrial, Ovarian, Uterine, Gestational, Vulvar, Vaginal | EyesOnThePrize.org


 * Ask the Expert - Get Answers from Medical Professionals | Know Cancer


 * Families of Spinal Muscular Atrophy - Ask the Expert (spinal muscular atrophy)


 * Ask The Expert: Neurology Questions and Answers - Pri-Med Online


 * Ask The Expert | Cornelia de Lange Syndrome (CdLS) Foundation, Inc.


 * All Questions Relating To &quot;Ask the Expert&quot; - Chronic Pain


 * Ask The Nurse Online, Nurse, Natural Health Remedies, Health Tips


 * Ask The Nurse, Get Live Health & Medical Advice


 * Ask a Geneticist


 * Ask Dr. Warren (pediatrics)


 * Johns Hopkins School of Medicine
 * Ask an Expert: Johns Hopkins Breast Center


 * Ask the Pediatrician about Your Childrens Health


 * Le Club: Ask the Expert - get feedback directly from women's health experts.


 * Menopause Experts, Ask The Experts about Bioidentical hormones, menopause, anxiety, depression, panic attacks, weight, fitness, intimacy, relationships


 * Ask an Expert - Answers to Your Pregnancy, Preconception, and Parenting Questions from Leading Medical Experts - BabyZone.com


 * Expert Baby Advice & Answers to Baby Questions | BabyCenter (international and multilingual: see links at bottom right-hand corner of page)


 * A Pediatrician Answers Baby and Toddler Medical Questions


 * Ask The Experts | I N F E R T I L I T Y   A W A K E N I N G


 * About Heavy Periods - Ask Dr. Crystal Strickland About Heavy Periods


 * obgyn - Women's Health


 * Ask the Gynecologist About PCOS | PCOS - Polycystic Ovarian Syndrome (questions about polycystic ovary syndrome)


 * Ask gynecology related questions on Live Gynecologist


 * ask an expert, Paediatrician, Gynecologist, Child Specialist (for Indian mothers)


 * Questions Answered by consultant gynaecologist and obstetrician Mr Clive Aldrich (based in the United Kingdom)


 * Gynaeonline (questions about obstetrics and gynecology) (based in India)


 * Ask A Question | Austin Midwife Forum


 * DrGreene.com | pediatrics. naturally.

Engineering and applied operations (620–629)

 * Ask an Expert - TryEngineering


 * Ask An Engineer - Engineer Girl


 * ENGINEERING.com | Ask@ENGINEERING.com


 * element14: Community: Experts (electronic engineering)


 * United States Department of Transportation
 * SCBT Virtual Team Question and Answers from Ask the Expert (segmental concrete bridge technology)


 * Ask a Flight Instructor: Flight Training Questions Answered


 * Car Repair Questions Answered Free by Professional Mechanics Information


 * New Zealand Automobile Association
 * Ask Jack Motoring and Car Forum - aa.co.nz


 * Free Auto Repair Questions Online Mechanics Answer Questions FREE


 * Ask an Expert | Questions &amp; Answers | Models Buzz (model building)


 * Ask A Citroën Expert


 * Auto Repair Questions and Answers for Cars and Trucks | Free Mechanic Help


 * ask auto mechanic question here


 * Buell Motorcycle Company
 * Post a new question - Thunder Road's Ask An Expert (Harley-Davidson motorcycles)


 * AUSTIN WORKS Ask Mr. Austin (automobiles by the Austin Motor Company)


 * Ask Frank at Freeway - Mazda Cadillac Car Maintenance Questions


 * Ask Dr.Smith (questions about gaskets)


 * Global Wind Day &raquo; About Wind Energy

Agriculture (630–639)

 * The Rodale Institute
 * Ask a Farmer | Rodale Institute


 * National Sustainable Agriculture Information Service, Butte, Montana
 * Ask a Sustainable Agriculture Expert: ATTRA - National Sustainable Agriculture Information Service (in English and Spanish)


 * Alabama Agricultural and Mechanical University, Normal, AL
 * http://www.aamu.edu/library/Ask_A_Librarian.aspx (Alabama A&M University Library)


 * United States National Agricultural Library of United States Department of Agriculture
 * National Agricultural Library: Services: Ask a Question

Plant injuries, diseases, pests (632)

 * Purdue University
 * Frequently Asked Questions - Plant and Pest Diagnostic Laboratory at Purdue University, West Lafayette, Indiana, USA


 * Pest Control Questions/FAQ'S


 * AsktheExterminator.com - Tips and help from a real pest control expert


 * Ask Before You Hire an Exterminator | Superexterminators.com

Garden crops (Horticulture) (635)

 * Welcome to Ask a Garden Question


 * University of Texas at Austin
 * Lady Bird Johnson Wildflower Center
 * Ask Mr. Smarty Plants - Native Plant Q&amp;A


 * UBC Botanical Garden and Centre for Plant Research
 * UBC Botanical Garden Forums


 * Cindy Shapton, Cracked Pot Gardener, Franklin, Tennessee
 * Got Questions?


 * Garden Questions: Garden Questions And Answers


 * Ask the Horticulturist - questions all about plants


 * Gardening Questions - Post a Question about Gardening, Plants, Tools, and Techniques


 * Ask your organic gardening guide


 * Fruits &#038; Veggies More Matters  &raquo; Ask the Expert


 * ask a gardening question


 * Ask a Gardening Question and Get a Gardening Answer Gardening Know How


 * Ask an Expert | Gardening With Children


 * Ask Julie Gardening Questions


 * Doug Hensel, The Great Big Greenhouse, Richmond, Virginia
 * Great Big Greenhouse - Ask Doug Questions and Answer


 * Ask a Gardening Question | Horticulture Guy


 * Gardening Forum


 * Pennsylvania Horticultural Society
 * PHS |  Your Gardening Questions


 * Perennials.com :: Ask an Expert


 * Ask &amp; Answer Flower and Gardening Questions - The Flower Expert


 * Categories - The Mulch Gardening Forum

Animal husbandry (636)

 * Animal husbandry in general


 * Ask a online vet - ask a vet pet health questions online


 * Ask A Vet. Online Veterinary Advice. Talk to veterinarian, Dr. Marie.


 * American Society for the Prevention of Cruelty to Animals
 * ASPCA | Ask the Experts (veterinary)


 * Questions &amp; Answers - BarkleyAndPaws


 * Clay County Humane Society, Inc., Orange Park, Florida
 * Ask Jake and Scout (about pets)


 * Free online veterinarian advice. Veterinary Blog, Dog and Cat Health Information, Questions, and Answers


 * Ask Questions, Get Answers from Experts ASAP | JustAnswer (veterinarian information)


 * Ask Dr. Grover &laquo; Pawsitively Good Advice &#8211; Dr. Tyson Grover, DVM


 * Ask A Veterinarian Your Pet Health Questions. Your Online Veterinarian Is Here To Help.


 * Pet Care Questions and Answers | Expert Pet Advice | PetPeoplesPlace.com


 * Ask a Vet Online. Ask a Veterinarian Pet Health Questions 24/7 &laquo; VetLIVE


 * Veterinary Questions Answered by Dr. Robert | Vetquestionsanswered.com


 * Dog husbandry


 * Ask a Dog Breeder: Dog Breeding Information, Storefront, Questions, Tips, Advice & Forums - Dog Mating


 * Dog Training Answers, US K9 Academy, Ask the Dog Trainer


 * Ask the Dog Training Expert For Dog Training Tips & Dog Training Advice


 * Dog Questions, Dog Training Tips, Dog Health Problems


 * Feel free to contact us, Pedigreedpups.com, at anytime


 * Ask a Vet Your Dog Health Questions: It's Simple, Quick and Affordable


 * Ask the Vet - Consult a Veterinarian Online (German shepherd dogs)


 * Ask Cindy! &#8212; Chihuahua Help and Resources so your chihuahua can be healthy, happy and sassy


 * Horse husbandry


 * American Association of Equine Practitioners
 * Ask The Vet - AAEP (equine veterinary)


 * Rutgers University
 * Ask the Expert (New Jersey Agricultural Experiment Station: Equine Science Center)


 * ask-a-vet online about your horse questions.


 * HorseGazette.com - Ask the Vet


 * Ask the Trainer Forum - Horse Questions Answered by Samantha Harvey


 * The Horse | Ask the Vet: Articles and Live Chat Events


 * Bird husbandry


 * World Parrot Trust
 * World Parrot Trust - Ask an Expert


 * Fish husbandry


 * Ask the Expert - The First Tank Guide - Question Submission Form (fish tanks)

Home economics and family living (640–649)

 * Home building and home improvement


 * A Handy Man


 * Home Improvements Discussion, Ask-Questions.com


 * Ask the Builder - The Home Improvement Resource


 * Ask The Log Doctor - Questions / Answers about Log Home Repair and Restoration!


 * Andy&#039;s Cabin Design and Building — How to Design, Build and Live in a Small Cabin or Cottage


 * Get Expert Answers | eRenovate.com has Experts to Answer Your Questions, Personally


 * Ask the Experts | Self Build, Renovate or Convert Your Own House | Renovation | Home Building & Renovating UK


 * Masterhandyman


 * WHAM (AM), Rochester, NY
 * Ask Jim - ROCHESTER'S NEWS LEADER NEWSRADIO 1180 WHAM (home repair questions)


 * Basements


 * Ask Dave Schrock your basement remodeling questions


 * Basement Questions and Answers


 * House painting


 * House Painting Questions and Answers


 * Housekeeping


 * Heloise (columnist) (household hints)
 * Heloise


 * House cleaning


 * House Cleaning Tips | Stain Removal Help | Mrs Clean House Cleaning Central


 * Moving


 * Moving Companies Expert - Ask questions about moving services and moving expert will answer.


 * Weddings


 * Dexknows.com Answers - Ask Questions, Share Your Knowledge (weddings and home improvement)


 * Ask Iris Fields Weddings Event Planning + Advice NYC | Wedding, Event Planner


 * Ask The Expert : Wedding, Supplies, Accessories, Cake Toppers, Favors, Ideas


 * Ask The Expert : The Wedding Expert


 * Wedding Etiquette - Questions About Planning A Wedding? Ask Mikki!


 * Ask The Expert - Wedding Mapper


 * Landscaping


 * Ask Daniel (questions about landscape design)


 * Landscaping and outdoor construction


 * JustAskDave (questions about landscaping and outdoor construction)

Food and drink (641)

 * ask jo ("making ordinary food extraordinary")


 * Food Network (Canada)
 * Ask an Expert - Food Network Canada


 * Ask the Expert - MyRecipes.com (cooking questions)


 * Veganizzm: The Nuts & Oats of Vegan Cooking - Ask me anything


 * Ask Chef Silvia!


 * Ask The Sommelier - Have Your Wine Question Answered By An Expert For Free Today


 * Hotline - Food52 - food community, recipe search and cookbook contests


 * Just Ask Jill ("recipes, menus, cooking tips and local food finds" in Southern California)


 * Barbecuing and grilling


 * Ask BBQ Bob | The Grillin&#039; Guys


 * Ask Dave a BBQ or Grilling Question


 * Meat


 * Ask the Butcher-Lobel&#039;s Culinary Club


 * Restrictive diets


 * askjeanduane.com (gluten-free, dairy-free, allergy-free cooking)


 * Ask Jamie Geller | Kosher Recipes &#8211; Joy of Kosher with Jamie Geller author of the bestselling kosher cookbook &#8211; Quick and Kosher

Household utilities (644)

 * Electrical wiring


 * Ask Your Electrician


 * Electrical Helper - Ask An Electrician


 * Ask An Electrician


 * Install and Repair Electrical Wiring - Tutorials by a Licensed Electrical Contractor


 * Ask Questions : Electrical Online : Electrical Online


 * Ask an Electrician | My Local Electrician


 * Ask an Electrician


 * Plumbing and heating


 * Ask a Plumber.ca ::


 * Ask a Plumber


 * Plumbing or heating problems? Why not Ask the Plumber

Furnishing and decorating the home (645)

 * ask patrick (interior design)


 * Ask the Interior Decorator


 * Ask Interior Designer


 * Glass tile


 * About Glass Tile

Sewing, clothing, personal living (646)

 * Quiltworx.com - Ask Judy a Question - Buy Foundation Paper Piecing Quilt Patterns - Quilt Shop


 * Quilting Questions

Child rearing and home care of sick and infirm (649)

 * Parenting


 * ! Parenting Adolescents and Children


 * Ask Dr. Sears&reg; | A Trusted Resource for Parents


 * BabyGizmo.com - Ask the Editors (questions about baby products)


 * Parenting Advice and Parenting Tips


 * Dr. Toy - The Name You Trust - Online Since 1995 (advice on children's products)


 * Parenting - Questions and Answers main page. Q&A - Minti


 * ParentsAsk


 * Mothering


 * Ask Cindy&#8230; : Welcome to Mom-to-Mom Radio Show!


 * Mamapedia&#8482; - The wisdom of moms&#8482;


 * Ask the Experts (questions about mothering)


 * Experts (on SavvyMom.ca)


 * Fathering


 * Ask a Question &raquo; Ask Mr. Dad (questions about fathering)


 * Seniors


 * Caregiving Questions | Senior Health and Legal Questions | Caring.com


 * Ask Esther - Questions about Retirement Living (for Canada) (with Microsoft Translator)

Manufacturing (670–679)

 * Society of Manufacturing Engineers
 * Society of Manufacturing Engineers