Genes & Cells

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silhouettes of primates

EASY RIDER  Gut bacteria have been passed down from the ancestors of humans and African apes for millennia, evolving alongside their hosts, says a new study that looked at bacteria from gorillas, bonobos, chimpanzees and humans. 

young boy biting his fingernails

Nail-biting and thumb-sucking bring germs into the mouth — and possibly fewer allergies, too.  

yeast, bacteria and a plant

COMMON GROUND Yeast, bacteria and plants are very different organisms, but have many genes that look alike. New research shows about half of those analogous genes can substitute for each other.

Genes & Cells

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