Concept

1944 in science

Summary
The year 1944 in science and technology involved some significant events, listed below. Astronomy
  • Hendrik van de Hulst predicts the 21 cm hyperfine line of neutral interstellar hydrogen.
Biology
  • February 1 – Oswald T. Avery and colleagues publish the Avery–MacLeod–McCarty experiment showing that a DNA molecule can carry an inheritable trait to a living organism. This is important because many biologists thought that proteins were the hereditary material and nucleic acids too simple chemically to serve as genetic storage molecules.
  • The lipopolysaccharide character of enteric endotoxins is elucidated by M. J. Shear.
  • Erwin Schrödinger publishes What is Life?, containing conceptual discussion of the genetic code and of negentropy.
  • Donald Griffin with G. W. Pierce demonstrate that bats use high-frequency sound in a technique which Griffin describes as echolocation.
  • Last known evidence for existence of the Asiatic lion in the wild in Iran (Khuzestan Pro
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