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1728 in science
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<h2 id="astronomy">Astronomy</h2> <ul><li><a href="/facts/James_Bradley/4QnCLzmk">James Bradley</a> uses <a href="/facts/Stellar_aberration/N3yb3D2C">stellar aberration</a> (first observed in <a href="/facts/1725_in_science/dUypdw7u">1725</a>) to calculate the <a href="/facts/Speed_of_light/sKSQwdNx">speed of light</a> to be approximately 301,000 km/s.<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a></li> <li>James Bradley observes <a href="/facts/Astronomical_nutation/Rv0HN28Y">nutation of the Earth's axis</a>.<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a></li></ul> <h2 id="botany">Botany</h2> <ul><li>September – <a href="/facts/Bartram%27s_Garden/yLwSjHuN">Bartram's Garden</a>, the oldest surviving <a href="/facts/Botanic_garden/dvg8YkRq">botanic garden</a> in <a href="/facts/North_America/djNjCQIl">North America</a>, is established in <a href="/facts/Philadelphia/2bFFCCTU">Philadelphia</a> by <a href="/facts/John_Bartram/jyBbgW1e">John Bartram</a>.</li></ul> <h2 id="exploration">Exploration</h2> <ul><li>July 14 – August 14 – <a href="/facts/Vitus_Bering/bz41zmrC">Vitus Bering</a> sails northward from the <a href="/facts/Kamchatka_Peninsula/w9DK3jE6">Kamchatka Peninsula</a>, through the <a href="/facts/Bering_Strait/cnoNLuYE">Bering Strait</a>, and rounds <a href="/facts/Cape_Dezhnev/6t5nn1vd">Cape Dezhnev</a>.</li></ul> <h2 id="physiology-and-medicine">Physiology and medicine</h2> <ul><li><a href="/facts/Pierre_Fauchard/nNLoq8M0">Pierre Fauchard</a> publishes <i>Le Chirurgien Dentiste, ou, Traité des Dents</i>, the first comprehensive text on dentistry, including the first description of <a href="/facts/Orthodontic/Np2rL0b4">orthodontic</a> braces.<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a></li></ul> <h2 id="births">Births</h2> <ul><li>February 13 – <a href="/facts/John_Hunter_(surgeon)/MXykH8kv">John Hunter</a>, <a href="/facts/Scottish_people/0rp2bd12">Scottish</a> <a href="/facts/Surgeon/Hm0R9t6n">surgeon</a>, <a href="/facts/Pathologist/U9b18LJG">pathologist</a> and comparative <a href="/facts/Anatomist/p8TCWJuV">anatomist</a> (died <a href="/facts/1793_in_science/dgy3az4Q">1793</a>)</li> <li>March 20 – <a href="/facts/Samuel-Auguste_Tissot/0UpP09KW">Samuel-Auguste Tissot</a>, <a href="/facts/Swiss_people/3ecWX2K6">Swiss</a> <a href="/facts/Physician/qJ3woFvG">physician</a> (died <a href="/facts/1797_in_science/DTbxw61U">1797</a>)</li> <li>April 16 – <a href="/facts/Joseph_Black/0HD6fdYR">Joseph Black</a>, Scottish <a href="/facts/Physicist/cQcgvSIm">physicist</a> and <a href="/facts/Chemist/N09K7Bdm">chemist</a> (died <a href="/facts/1799_in_science/sXtz2JKb">1799</a>)</li> <li>August 26 – <a href="/facts/Johann_Heinrich_Lambert/CG3IHVB9">Johann Heinrich Lambert</a>, Swiss <a href="/facts/Polymath/eqIfjQRu">polymath</a> (died <a href="/facts/1777_in_science/E7k1lYKV">1777</a>)</li> <li>September 3 – <a href="/facts/Matthew_Boulton/VSzSaGFD">Matthew Boulton</a>, <a href="/facts/English_people/IeI9c7BK">English</a> <a href="/facts/Mechanical_engineer/cbId4fye">mechanical engineer</a> (died <a href="/facts/1809_in_science/KNQ9jweB">1809</a>)</li> <li>October 27 – <a href="/facts/James_Cook/wy3cXCXp">James Cook</a>, English <a href="/facts/List_of_explorers/83eyR34D">explorer</a> (died <a href="/facts/1779_in_science/1odCQDI1">1779</a>)</li></ul> <h2 id="deaths">Deaths</h2> <ul><li>April 25 – <a href="/facts/John_Woodward_(naturalist)/ArqgNfD3">John Woodward</a>, English <a href="/facts/Naturalist/pSlAvbTX">naturalist</a> (born <a href="/facts/1665_in_science/bxPDBFav">1665</a>)</li> <li>August 11 – <a href="/facts/William_Sherard/bouvh5uu">William Sherard</a>, English <a href="/facts/Botanist/PaIRoxnb">botanist</a> (born <a href="/facts/1659_in_science/eXWCgDUC">1659</a>)</li> <li><a href="/facts/Caleb_Threlkeld/Sc2lNpQE">Caleb Threlkeld</a>, <a href="/facts/Irish_people/6Ykz2Dxl">Irish</a> botanist (born <a href="/facts/1676_in_science/bEGGA48D">1676</a>)</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Delambre, J. B. (1827). Histoire de l'astronomie au dix-huitième siècle. Paris: Bachelier. <a href="/wiki/Jean_Baptiste_Joseph_Delambre" target="_blank">/wiki/Jean_Baptiste_Joseph_Delambre</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Delambre, J. B. (1827). Histoire de l'astronomie au dix-huitième siècle. Paris: Bachelier. <a href="/wiki/Jean_Baptiste_Joseph_Delambre" target="_blank">/wiki/Jean_Baptiste_Joseph_Delambre</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Spielman, Andrew I. (October 2007). "The Birth of the Most Important 18th Century Dental Text: Pierre Fauchard's Le Chirurgien Dentist". Journal of Dental Research. 86 (10): 922–926. doi:10.1177/154405910708601004. PMID 17890667. <a href="/wiki/Journal_of_Dental_Research" target="_blank">/wiki/Journal_of_Dental_Research</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> </ol>