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The following dates are approximations. 700 BC: Pythagoras's theorem is discovered by Baudhayana in the Hindu Shulba Sutras in Upanishadic India. [18] However, Indian mathematics, especially North Indian mathematics, generally did not have a tradition of communicating proofs, and it is not fully certain that Baudhayana or Apastamba knew of a proof.
Progress on the Human Cell Atlas is reported, with a collection of 40 new scientific papers in Nature describing the project's latest discoveries. [476] [477] 21 November – The first close-up image of a star outside the Milky Way is reported, using the European Southern Observatory's Very Large Telescope Interferometer.
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.
510–430 BC – Alcmaeon of Croton scientific anatomic dissections. He studied the optic nerves and the brain, arguing that the brain was the seat of the senses and intelligence. He distinguished veins from the arteries and had at least vague understanding of the circulation of the blood. [5]
The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy) and chemistry transformed the views of society about nature.
During this period the Quaternary glaciation began (about 2.58 million years ago), and continues to today. It has been an ice age, with cycles of 40–100,000 years alternating between long, cold, more glaciated periods, and shorter warmer periods – interglacial episodes.
Marie Curie (born Maria Salomea Skłodowska) was the first woman to receive a Nobel prize for her works on radiations and, up until today, [when?] the only woman to receive two Nobel prizes (among them, one Nobel prize in chemistry for discoveries on polonium and radium). She is the sole laureate to be recognized within two distinct scientific ...
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.
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