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The phage group was an informal network of biologists centered on Max Delbrück that carried out basic research mainly on bacteriophage T4 and made numerous seminal contributions to microbial genetics and the origins of molecular biology in the mid-20th century.
Khan Academy is an American non-profit [3] educational organization created in 2006 by Sal Khan. [1] Its goal is to create a set of online tools that help educate students. [4] ...
The Plague of Athens (c. 1652 –1654) by Michiel Sweerts, illustrating the devastating epidemic that struck Athens in 430 BC, as described by the historian Thucydides. The United States Centers for Disease Control and Prevention defines epidemic broadly: "Epidemic refers to an increase, often sudden, in the number of cases of a disease above what is normally expected in that population in ...
Irreducible complexity (IC) is the argument that certain biological systems with multiple interacting parts would not function if one of the parts were removed, so supposedly could not have evolved by successive small modifications from earlier less complex systems through natural selection, which would need all intermediate precursor systems to have been fully functional. [1]
Matthew Fontaine Maury High School in Norfolk, Virginia, is named after him. [36] Matthew Maury Elementary School in Alexandria, Virginia , was built in 1929. [ 37 ] Nearby Arlington, Va., renamed its 1910 Clarendon Elementary to honor Maury in 1944; Since 1976, the building has been home to the Arlington Arts Center [ 38 ] (rebranded in 2022 ...
His efforts stimulated the biologist J. B. S. Haldane to push for the axiomatisation of biology, and by influencing thinkers such as Huxley, helped to bring about the modern synthesis. [36] The positivist climate made natural history unfashionable, and in America, research and university-level teaching on evolution declined almost to nothing by ...
The history of smallpox extends into pre-history. [1] Genetic evidence suggests that the smallpox virus emerged 3,000 to 4,000 years ago. [2] Prior to that, similar ancestral viruses circulated, but possibly only in other mammals, and possibly with different symptoms.
Philosophers, such as Karl R. Popper, have provided influential theories of the scientific method within which scientific evidence plays a central role. [8] In summary, Popper provides that a scientist creatively develops a theory that may be falsified by testing the theory against evidence or known facts.