Society for Healthcare Epidemiology of America

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Cell & Microbiology

Biologists discover a trigger for cell extrusion

For all animals, eliminating some cells is a necessary part of embryonic development. Living cells are also naturally sloughed off in mature tissues; for example, the lining of the intestine turns over every few days.

Astronomy

Quasi-periodic oscillation detected in Cygnus X-1

Using the Hard X-ray Modulation Telescope (HXMT), astronomers from Shanghai Astronomical Observatory in China have detected a low frequency, quasi-periodic oscillation in a black hole high mass X-ray binary known as Cygnus ...

Space Exploration

Blue Origin will fly first crew to space in July

Jeff Bezos' Blue Origin will send its first crew to space on July 20 and is offering one of the seats to the winner of an online auction, the company said Wednesday.

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