Dead guts spill history of extinct microbes

Extinct microbes in fecal samples from archaeological sites across the world resemble those found in present-day rural African communities more than they resemble the microbes found in the gut of cosmopolitan US adults, according ...

Melting polar ice could release old viruses

In 1999, Russian scientists famously dug a long-dead frozen woolly mammoth out of the Siberian permafrost. Other things lurking in the frozen earth may be more alive - and more dangerous. Scientists warn that global warming ...

Protein strongest just before death

(Phys.org)—Researchers at Michigan State University have discovered a protein that does its best work with one foot in the grave.

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