An article from Science News Jan 2021
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Biography
Addison, Thomas (1793–1860)
Biography
Adler, Alfred (1870–1937)
Biography
Adrian, Edgar Douglas (1889–1977)
Biography
Alexander, Hattie Elizabeth (1901–1968)
Article
Anthropocene extinction
An ongoing current event in which a large number of living species are threatened with extinction or are going extinct because of environmentally destructive human activities. The Earth is presently in the midst of a mass extinction event. In the…
Article
Assisted reproductive technology
Any treatment or procedure that includes the in-vitro handling of oocytes (immature ova or egg cells) and sperm or embryos for the purpose of establishing a pregnancy. Assisted reproductive technology (ART) is undertaken as a treatment of…
Biography
Attenborough, David Frederick (1926– )
Biography
Audubon, John James Laforest (1785–1851)
Article
Autism
A neurodevelopmental condition that impairs the way that a person relates to and communicates with other people. Persons with autism have difficulties with social communication and interaction. They also can have unusual behaviors, such as…