1728 in science

List of years in science (table)
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The year 1728 in science and technology involved some significant events.

Astronomy

• James Bradley uses stellar aberration (first observed in 1725) to calculate the speed of light to be approximately 301,000 km/s.
• James Bradley observes nutation of the Earth's axis.

Botany

• September – Bartram's Garden, the oldest surviving botanic garden in North America, is established in Philadelphia by John Bartram.

Exploration

• July 14 – August 14 – Vitus Bering sails northward from the Kamchatka Peninsula, through the Bering Strait, and rounds Cape Dezhnev.

Physiology and medicine

• Pierre Fauchard publishes Le Chirurgien Dentiste, ou, Traité des Dents, the first comprehensive text on dentistry, including the first description of orthodontic braces.

Births

• February 13 – John Hunter, Scottish surgeon, pathologist and comparative anatomist (died 1793)
• March 20 – Samuel-Auguste Tissot, Swiss physician (died 1797)
• April 16 – Joseph Black, Scottish physicist and chemist (died 1799)
• September 3 – Matthew Boulton, English mechanical engineer (died 1809)
• October 27 – James Cook, English explorer (died 1779)

Deaths

• April 25 – John Woodward, English naturalist (born 1665)
• August 11 – William Sherard, English botanist (born 1659)
• Caleb Threlkeld, Irish botanist (born 1676)