Why some people are mosquito magnets

It's impossible to hide from a female mosquito—she will hunt down any member of the human species by tracking our CO2 exhalations, body heat, and body odor. But some of us are distinct "mosquito magnets" who get more than ...

Human gut bacteria have sex to share vitamin B12

Your gut bacteria need vitamin B12 just as much as you do. Though DNA is usually passed from parent to child, new research shows gut bacteria transfer genes through "sex" in order to take their vitamins.

Enzyme treatment of skin samples improves microbiome analysis

Healthy skin has a bacterial shield to protect against germs: the microbiome. This complex assembly of microorganisms was previously believed to be difficult to decipher. A team of researchers has now succeeded in using the ...

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