02/11/2018

New insights on comet tails are blowing in the solar wind

Engineers and scientists gathered around a screen in an operations room at the Naval Research Laboratory in Washington, D.C., eager to lay their eyes on the first data from NASA's STEREO spacecraft. It was January 2007, and ...

Physicists explain how large spherical viruses form

A virus, the simplest physical object in biology, consists of a protein shell called the capsid, which protects its nucleic acid genome—RNA or DNA.  The capsid can be cylindrical or conical in shape, but more commonly ...

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