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The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...
Melvin Calvin, James Bassham, and Andrew Benson at the University of California, Berkeley, discover the Calvin cycle in photosynthesis. [3]Entomologist Willi Hennig publishes Grundzüge einer Theorie der phylogenetischen Systematik in East Germany, pioneering the study of cladistics.
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.
In the mid-1960s to the late years of the 1970s, French engineers were looking to create new transportation machines that included the Aérotrain, an experimental Tracked Air Cushion Vehicle.
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
January 11 – Lloyd Conover is granted a patent for tetracycline in the United States. [11]February 19 – Mendelevium (atomic number 101) is first synthesized by Albert Ghiorso, Glenn T. Seaborg, Gregory R. Choppin, Bernard G. Harvey, and Stanley G. Thompson (team leader) at the University of California, Berkeley.
Or what everyday life was like for people living 50, 100, or more years ago. There’s an online community dedicated to sharing photos, scanned documents, articles, and personal anecdotes from the ...
1950 Robert Doisneau: Paris, France 35 mm [s 1] Iron Lung Polio Patients: 1950 Unknown Downey, California, United States [s 2] Albert Einstein: 1951 Arthur Sasse: New York City, United States 35 mm [s 6] Photo 51: May 1952 Raymond Gosling and Rosalind Franklin: London, England The photograph depicts an X-ray diffraction image providing key to ...