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June 18, 2019

A collapsing star's supernova. (collapsar) (NASA Goddard Space Flight Center)

Is a supernova the source of heavy metals on Earth?

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The phase corresponds to intermolecular sharing. Higher temperatures, and steep temperature drops - such as those that characterized the narrow, water-filled pores that existed within volcanic rocks and in which the synthesis of ancient DNA could have taken place. Photo: Dieter Braun

How was the first DNA molecule created?

  • 2 תגובות
Bacterial resistance to antibiotics. Illustration: national review of medicine

The deadly ingredient: bacterial resistance to antibiotics and overcrowding in hospitals

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