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How a beneficial gut microbe adapted to breast milk

Breast milk provides vital nutrients not only to infants, but also to beneficial microbes that inhabit the gastrointestinal tract. A study published April 6 in Cell Chemical Biology shows that a bacterial species called Bifidobacterium ...

dateApr 06, 2017 in Biochemistry
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Smiling baby monkeys and the roots of laughter

When human and chimp infants are dozing, they sometimes show facial movements that resemble smiles. These facial expressions—called spontaneous smiles—are considered the evolutionary origin of real smiles and laughter.

dateAug 04, 2016 in Evolution
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