1566 in science

The year 1566 in science and technology included many events, some of which are listed here.

Biology

 * Rembert Dodoens publishes Frumentorum, leguminum, palustrium et aquatilium herbarum, ac eorum quae eo pertinent historia at Antwerp.

Civil engineering

 * 1566–67 – Completion of "Stari Most" bridge crossing the Neretva at Mostar by the Ottoman Empire (builder: Mimar Hayruddin).
 * Autumn – Probable completion of the Exeter Canal, the first in England, and with the first use of a pound lock in England (engineer: John Trew of Glamorgan).

Navigation

 * Pedro Nunes' work on navigation, Petri Nonii Salaciensis Opera, is published.

Events

 * December 29 – Danish astronomer Tycho Brahe, while studying at the University of Rostock in Mecklenburg, loses part of his nose in a duel with fellow nobleman and relation Manderup Parsberg over a mathematical formula.

Births

 * Giuseppe Biancani, Italian astronomer (died 1624)
 * Jan Jesenius, Slovak physician (died 1621)
 * Michal Sedziwój, Polish alchemist (died 1636)
 * Caterina Vitale, Maltese pharmacist (died 1619)

Deaths

 * May 4 – Luca Ghini, Italian physician and botanist (born 1490)
 * May 10 – Leonhart Fuchs, German botanist (born 1501)
 * July 2 – Nostradamus, French physician and astrologer (born 1503)
 * July 30 – Guillaume Rondelet, French physician (born 1507)