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Its discovery is generally believed to have originated in India around the 4th century AD, [65] although Singaporean mathematician Lam Lay Yong claims that the method is found in the Chinese text The Nine Chapters on the Mathematical Art, from the 1st century AD. [66] 60 AD: Heron's formula is discovered by Hero of Alexandria. [67]
February 13 Max Perutz publishes the structure of hemoglobin. [4]John Kendrew publishes the structure of myoglobin. [5]March 5 – British marine biologist Sir Alister Hardy announces his aquatic ape hypothesis, theorising that swimming and diving for food exerted a strong evolutionary effect partly responsible for the divergence in the common descent of humans and other great apes.
Operating room in Milan in 1950. The year 1950 in science and technology included some significant events. Astronomy and space sciences
1950 – The first synthetic antibiotic is created. 1951 – Artificial insemination of livestock is accomplished using frozen semen. 1952 – L.V. Radushkevich and V.M. Lukyanovich publish clear images of 50 nanometer diameter tubes made of carbon, in the Soviet Journal of Physical Chemistry.
October 18 – Texas Instruments announces development of the first commercial transistor radio, the Regency TR-1, manufactured in Indianapolis; it goes on sale the following month. December 16 – The first synthetic diamond is produced. [25]
An image from John Dalton's A New System of Chemical Philosophy, the first modern explanation of atomic theory.. This timeline of chemistry lists important works, discoveries, ideas, inventions, and experiments that significantly changed humanity's understanding of the modern science known as chemistry, defined as the scientific study of the composition of matter and of its interactions.
Science & Tech. Sports. Weather. ... 5 major Alzheimer’s discoveries scientists made in 2024. ... Dementia Report Reveals 'Shocking' Signs At Age 60 That You'll Develop The Disease By Age 80.
Such discoveries are often a multi-step, multi-person process. Multiple discovery sometimes occurs when multiple research groups discover the same phenomenon at about the same time, and scientific priority is often disputed. The listings below include some of the most significant people and ideas by date of publication or experiment.