Wikipedia:Reference desk/Archives/Science/April 2009

= April 1 = Reference_desk/Archives/Science/2009 April 1


 * 1) Artificial nectar
 * 2) cell division
 * 3) What came first, the chicken or the egg?
 * 4) Squirrel monkey behaviour
 * 5) Solar Eclipse
 * 6) evolution or creation
 * 7) Hot water for drinking
 * 8) schrodinger's time independent equation
 * 9) Genetics Question
 * 10) An extraordinary delusion
 * 11) Nicotine concentrations of cigars?
 * 12) Chlorine gas
 * 13) Adding impedances
 * 14) Ancestry
 * 15) Strength of human hair
 * 16) Does studying actually improve IQ scores?

= April 2 = Reference_desk/Archives/Science/2009 April 2


 * 1) Hominidae?
 * 2) 5 in one fruit tree
 * 3) HAMMER DRILL VS IMPACT DRILL
 * 4) Life Without Plastics Video
 * 5) Meanings
 * 6) Diamond Cutting
 * 7) When a Star Evolves into a Black Hole...
 * 8) source of dietary cholesteryl esters?
 * 9) Genius
 * 10) Abiogenesis vs Evolution

= April 3 = Reference_desk/Archives/Science/2009 April 3


 * 1) Limiting Reagent
 * 2) What's the deal with black holes and escape velocity?
 * 3) Generation length and human evolution
 * 4) Quantummechanical operater
 * 5) Quantum Mechanics
 * 6) superconductivity
 * 7) Capsaicin and squirrels
 * 8) neuron state during mania
 * 9) Mike Phelps
 * 10) pleural tap
 * 11) Eating feces

= April 4 = Reference_desk/Archives/Science/2009 April 4


 * 1) 1+1
 * 2) Adapating to running
 * 3) What's this bug?
 * 4) origin of multi cellular species
 * 5) physics

= April 5 = Reference_desk/Archives/Science/2009 April 5


 * 1) Evolution of Wings
 * 2) Atherosclerosis
 * 3) Puberty and growth
 * 4) Foods endemic to the Americas...
 * 5) Are these droppings?
 * 6) wathurrrrrrrrrrrrrrrrrrrrrrrrrrrrr
 * 7) Regurgitation in animals.
 * 8) Blue water
 * 9) Light bulb energy
 * 10) Wet hands and light switches
 * 11) swelling AROUND the eyes and diabetes
 * 12) 'Physalis Mottle Virus’

= April 6 = Reference_desk/Archives/Science/2009 April 6


 * 1) Boredom
 * 2) RNA polymerase
 * 3) since shorelines are fractal, how are they really (IN FACT) calculated, when we read figures about x miles of shoreline?
 * 4) Comorbidity of pulmonary and liver diseases
 * 5) Royal Society of Canada
 * 6) Reference material for doctors
 * 7) If Sulforaphane is good for you, is sulphur dioxide beneficial also?
 * 8) Magnetic flux
 * 9) Earthquake radius
 * 10) Article: Science and technology in the United States
 * 11) A hypermiling question
 * 12) Centre of gravity
 * 13) Violet scent
 * 14) Another probe to Uranus?
 * 15) Garrison Dam
 * 16) Fear of Abandoment
 * 17) Hammer Striking a Nail
 * 18) Self-induced synesthesia?
 * 19) Global warming

= April 7 = Reference_desk/Archives/Science/2009 April 7


 * 1) Toads and warts
 * 2) hearing
 * 3) Why do massive objects in space don't look like they are moving?
 * 4) Star Trek - Science or fiction?
 * 5) Vacuum flask
 * 6) True area of a country
 * 7) Relationship between Thermodynamic Entropy and Cosmic Dark Energy?
 * 8) temperature goes up as you dig down.
 * 9) Venusian thought experiment
 * 10) How common is runaway global warming?
 * 11) why is water transparent and ice white?

= April 8 = Reference_desk/Archives/Science/2009 April 8


 * 1) Make OH Hydroxide
 * 2) Why does accelerating a charged particle produce radiation?
 * 3) optical reflection distortion in tempered glass in automotive
 * 4) could a fast enough solar-powered car catch more sunlight?
 * 5) why isn't the segway a unicycle?
 * 6) Quantum harmonic oscillator
 * 7) Mom's perception
 * 8) Is it possible to predict an unknown element's attributes?
 * 9) Alternative engine vehicles
 * 10) Effect of Centrifugal Force on Oceans
 * 11) Chemistry and lock, have any relation?
 * 12) why don't we use the sun as a fusion generator?

= April 9 = Reference_desk/Archives/Science/2009 April 9


 * 1) Ethanol Train
 * 2) Weird example of relative size
 * 3) ESP
 * 4) Coma
 * 5) Powder coated steel
 * 6) Space and matter/observable vs actual
 * 7) Repairing damage to the vocal cords after the removal of a thyroid tumour
 * 8) Major Histocompatibility Complex molecule
 * 9) LIFE AND DEATH
 * 10) Colorado Bug ID
 * 11) Noisy chalk holders

= April 10 = Reference_desk/Archives/Science/2009 April 10


 * 1) can we get any "object" to anywhere near relativistic speeds?
 * 2) Ornithosis agent
 * 3) Limits of curving a ball
 * 4) Dashboards
 * 5) are flywheels any easier in space?
 * 6) Name that UK bird! Orange chest, black head.
 * 7) Early cyclotron-thing
 * 8) Need WP:RS on a Common Misconception about Neutron Bombs
 * 9) Rolling hemispheres and moments of inertia

= April 11 = Reference_desk/Archives/Science/2009 April 11


 * 1) Blowing out a candle
 * 2) New born animals cute
 * 3) Physics of "Knowing"
 * 4) rutherford model
 * 5) Prilosec as diet drug?
 * 6) Legality of encryption
 * 7) Too hungover to masturbate
 * 8) Identiy this water beetle
 * 9) Global warming, axial shift, sea level rise, seismic activity, and solar eclipses

= April 12 = Reference_desk/Archives/Science/2009 April 12


 * 1) Moment of Inertia of a Traingle
 * 2) Area of a Heart
 * 3) about baby
 * 4) Transmition Of Aliment
 * 5) Evolutionary advantage of oral sex, fellatio
 * 6) Plant growth/death
 * 7) What bird is this?
 * 8) What is the name of this bird?
 * 9) Stability of 3 particles
 * 10) Begining of time
 * 11) Pharmacology question - IC50s
 * 12) Exact burn temperature of skin

= April 13 = Reference_desk/Archives/Science/2009 April 13


 * 1) Non-spectral blueish green
 * 2) Tsunami in this July 2009
 * 3) Gossamer Albatross
 * 4) physics/Crystal growth
 * 5) Question about magnet
 * 6) Reasons behind legal drinking age
 * 7) Rule
 * 8) How to get a women to cum
 * 9) Fourth Dimension
 * 10) double slit diffraction
 * 11) cars
 * 12) Pain in sides due to excersize
 * 13) paternity testing
 * 14) Constructing 3D Sight
 * 15) Cont:  4th Dimension and Black Holes
 * 16) musical plants
 * 17) RAW MILK and Growing Up with Enzyme Lactase Loss

= April 14 = Reference_desk/Archives/Science/2009 April 14


 * 1) DNA
 * 2) stars outside the boundaries of their constellation
 * 3) Are diamonds ionic compounds?
 * 4) Atropine as anaesthesia pre-med
 * 5) Separating Water(H2O) and Hydrogen Peroxide(H2O2)
 * 6) 4th Dimension...again
 * 7) orion
 * 8) Muscle pain associated with infection
 * 9) Dilution
 * 10) burning of stone
 * 11) Effects of fasting
 * 12) Paradox
 * 13) Mailbox Key question.

= April 15 = Reference_desk/Archives/Science/2009 April 15


 * 1) Congenital absence of appendix
 * 2) What is a naturally occurring isotope?
 * 3) Precambrian craton formation
 * 4) Pharmaceutical naming
 * 5) resistivity of vacuum
 * 6) formation of pure alkyl nitrile
 * 7) Invasive species
 * 8) Do scientists have to pay to have their work published in a peer-reviewed journal?
 * 9) Rate Constant, k
 * 10) Armour made from tantalum-niobium alloy - how effective?
 * 11) Hair & Facial Hair Question
 * 12) Calculating Kc equilibrium constant
 * 13) Hearling loss from high frequencies
 * 14) honey
 * 15) Microbial growth media
 * 16) Very small creatures in my fish tank?
 * 17) Biological Function of Grief in Humans
 * 18) Achilles tendon and stairs
 * 19) Ear canal bandpass

= April 16 = Reference_desk/Archives/Science/2009 April 16


 * 1) Ionic detox
 * 2) Ideal physical attributes for boxing
 * 3) Trolley-bus routes
 * 4) concurrent queues
 * 5) Paradox in current through vacuum
 * 6) CO2 production vs Absorbtion
 * 7) Solar Energy
 * 8) Lyme disease contraction vs. reporting location
 * 9) Trip to Mars
 * 10) We are in a 6000 degree C space cloud?
 * 11) Ecology book, online source?
 * 12) Reaction product
 * 13) Black Desert

= April 17 = Reference_desk/Archives/Science/2009 April 17


 * 1) NIH top 40
 * 2) Is there another explanation for Black Holes besides being dense matter from which light cannot escape?
 * 3) Coriolis effect and sniping
 * 4) How can dumb electrons be so clever?
 * 5) bodybuilding
 * 6) Questions on cell size and multicellularity
 * 7) Bullet into wood
 * 8) Paradox
 * 9) positron behavior
 * 10) Super long leg hair
 * 11) Redox reactions and Lewis Acids & Bases
 * 12) Nephilim

= April 18 = Reference_desk/Archives/Science/2009 April 18


 * 1) Coriolis force on a river in the northern hemisphere
 * 2) Recycling efficiency - plastics vs steel
 * 3) Power production from sea water by electrolysis process.
 * 4) Sleep
 * 5) hiv transmission
 * 6) Figuring out when a star does heliacal rising
 * 7) Turning radius of a vehicle
 * 8) Sedimentary rock, evaporites: How does gypsum end forming a stratum .50m thick?
 * 9) Lazy smokers

= April 19 = Reference_desk/Archives/Science/2009 April 19


 * 1) Electric field therapy
 * 2) Viral infection
 * 3) Photovoltaics and thermodynamics; ie, efficiency vs 'wasted' energy
 * 4) Energy Saving Lightbulbs
 * 5) How long do American electric kettles take to boil?
 * 6) HIV
 * 7) The iceberg that sunk the Titanic
 * 8) History of Motion Detection
 * 9) Cartographic projections & Symmetry
 * 10) Decay chain
 * 11) Why does the universe seem to be older than it is?

= April 20 = Reference_desk/Archives/Science/2009 April 20


 * 1) Amino acid properties
 * 2) Are there any (real) animals that can spit/spray corrosive substances as a defence mechanism?
 * 3) Kinetic energy of gases
 * 4) Azimuth sweep angle?
 * 5) Infinite speed and perception
 * 6) Scooter electric motors
 * 7) ctrl+f If You Can't Find It
 * 8) disappearance of gills in higher vertebrates and evolution of lungs (comparison with embryonic tadpole -> frog transition)
 * 9) Witnessing evolution
 * 10) Quantum bits at the macro level

= April 21 = Reference_desk/Archives/Science/2009 April 21


 * 1) Bacteria passed on at birth: what about cloning?
 * 2) Columbus's New World "nightingale"
 * 3) Gut flora
 * 4) diatom isolation
 * 5) gear
 * 6) DIN & VDI
 * 7) Ethernet 1000BASE-SX physical limitations
 * 8) solvent information missing from free radical addition
 * 9) DNA sequencing
 * 10) viruses
 * 11) Increase in rolling resistance on a wet road?
 * 12) The Beauty of the Universe
 * 13) how much biological output is produced (by either weight or volume) daily by all of the world's population combined?
 * 14) Cancer
 * 15) Hiding from thermographic camera view by covering oneself in thick mud from head to toe...
 * 16) Gaussian random motion
 * 17) Lewis dot and cross diagrams
 * 18) Bruce Lee martial arts glowing light energy field
 * 19) POSTED THIS QUESTION ON THE MATHAMATICS PAGE AND WAS SUGGESTED I POST IT HERE

= April 22 = Reference_desk/Archives/Science/2009 April 22


 * 1) GLOBAL WARMING
 * 2) B cell activation
 * 3) Speed of Light and electricity
 * 4) wikipedia article on E.D.T.A.[ethylene diamine tetra acetic acid]
 * 5) How to insulate an old home ?
 * 6) Minimum particle separation - where to start?
 * 7) Toilet germs
 * 8) vinegar
 * 9) Birds collecting things

= April 23 = Reference_desk/Archives/Science/2009 April 23


 * 1) NRPG ?
 * 2) Light through optical centre
 * 3) Bonjela and the news
 * 4) What could a super-large telescope array see?
 * 5) The subjective experience of being blind
 * 6) Why do people collect things / derive satisfaction from completing sets of objects?
 * 7) Brain food
 * 8) Amygdala
 * 9) Minimum amount of fuel to circumnavigate the globe
 * 10) Slit-Like Iris
 * 11) current procedure terminology - has it changed over the years?

= April 24 = Reference_desk/Archives/Science/2009 April 24


 * 1) Blowing bubbles
 * 2) Function of globose
 * 3) Water consumption while dehydrated
 * 4) Lost in the woods
 * 5) SALTWATER FISHES
 * 6) the earth
 * 7) Name
 * 8) The first link between protein and gene
 * 9) Differential Capacitive sensors
 * 10) Eggplant
 * 11) "Female" DNA
 * 12) Canis lilliputia and canis brobdingnag

= April 25 = Reference_desk/Archives/Science/2009 April 25


 * 1) how much
 * 2) Line spectrum question
 * 3) A seeming discrepency has been puzzling me all day about Le Chatelier's principle and Solubility equilibrium
 * 4) will 1,3,5-trimethoxybenzene react with hydrochloric acid? (Or even base?!)
 * 5) Removing the Water from A Solution
 * 6) could someone melt antarctica?
 * 7) Where is going the oceanic crust of the North American Plate?
 * 8) Male/female ratio
 * 9) Social Science/Sociological Question: What is the difference between Modernity and the Enlightenment?
 * 10) Storage of medicines
 * 11) Expansion of the universe
 * 12) acid

= April 26 = Reference_desk/Archives/Science/2009 April 26


 * 1) radical addition of alkynes
 * 2) Enhancement by implants
 * 3) Earthrise on the Moon
 * 4) SN 2005gj
 * 5) Rust spreads by catalysis or mechanical reasons.
 * 6) On high-speed tallow candles
 * 7) Battery Disposal
 * 8) Sod
 * 9) The physics of water filling into a depression

= April 27 = Reference_desk/Archives/Science/2009 April 27


 * 1) repelling the earth
 * 2) Steam Table & Value Calculation???
 * 3) Chameleons Changing Colors As Camouflage?
 * 4) What's so special about swine flu?
 * 5) Drooling
 * 6) Blue precipitate in beta mercaptoethanol (ca. 43% commercial solution)
 * 7) what is the overarching function of the arcuate fibers?
 * 8) Right Hand Rule and Help with Magnetism
 * 9) Measuring the temp of the Sun
 * 10) The sound that sports arena spotlights make when switched on

= April 28 = Reference_desk/Archives/Science/2009 April 28


 * 1) Microgravity and Moon missions
 * 2) Dogs with "hair" instead of "fur"
 * 3) the sun's surface
 * 4) Homo floresiensis and microcephaly
 * 5) blank (colored) skew-T
 * 6) viruses again
 * 7) anatomy of urinary system
 * 8) Labratory construction
 * 9) Wearing Black on a hot day
 * 10) Environmental Science
 * 11) drinking hot liquid through a straw
 * 12) Bleeding from the eyes
 * 13) Testing for 2009 swine flu
 * 14) Elastic Potential energy
 * 15) Electrodynamic potential energy

= April 29 = Reference_desk/Archives/Science/2009 April 29


 * 1) Image changing material
 * 2) analytical lab
 * 3) Fluorescent Mountain Dew
 * 4) Hydrogen bonds
 * 5) Swine influenza
 * 6) firing an SCR
 * 7) 1918 Spanish flu mortality
 * 8) effects of caffeine
 * 9) Body size
 * 10) Question
 * 11) Hedge plants

= April 30 = Reference_desk/Archives/Science/2009 April 30


 * 1) Envying the Chimps
 * 2) Smoothing capacitor advice
 * 3) Bird fart
 * 4) Volume of Ideal Gas at Absolute Zero
 * 5) ALIENS
 * 6) Chemistry A-Level problem
 * 7) convergent evolution
 * 8) What are the products of the reaction of sodium with Sand
 * 9) Photon
 * 10) Karrick Process
 * 11) Central metal ions and EDTA
 * 12) Swine Flu
 * 13) Type of coffee
 * 14) why do Ferrel cells exist?
 * 15) Elements that have no application?
 * 16) Are household bleach or disinfectant effective at killing viruses on hard surfaces?