1705 in science

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The year 1705 in science and technology involved some significant events.

Astronomy

• Edmond Halley, in his Synopsis Astronomia Cometicae, states that comets seen in 1456, 1531, 1607, and 1682 were actually a single comet and correctly predicts that it will return in 1758.

Medicine

• French anatomist Raymond Vieussens publishes Novum vasorum corporis humani systema, considered an early classic work on cardiology.

Other events

• April 16 - Isaac Newton is knighted by Queen Anne of Great Britain.

Births

• February 22 - Peter Artedi, Swedish naturalist (died 1735)
• April 11 - William Cookworthy, English chemist (died 1780)
• June 21 - David Hartley, English physician and psychologist (died 1757)
• undated - Charles Labelye, Swiss engineer (died c. 1781)
• undated - Thomas Boulsover, English inventor (died 1788)

Deaths

• January 17 - John Ray, English naturalist (born 1627)
• August 16 - Jakob Bernoulli, Swiss mathematician (born 1654)
• October 11 - Guillaume Amontons, French scientific instrument inventor and physicist (born 1663)
• November 10 - Justine Siegemund, German midwife (born 1636)