91色情片

91色情片

Old folks’ stomach bacteria are secret to their health

A glimpse inside older people's stomachs reveals how gut bacteria and diet might influence health 鈥� especially in a care home

Life

Gene switch that turns bacteria into mighty Hulk

Earth

Virus power harnessed to protect Red Sea coral

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Cobwebs shield the human gut from unwanted invaders

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Second strain of cholera found in Haiti

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Milk fats clue to inflammatory bowel disease

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Gut bugs confined to quarters by special immune cells

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Was humanity born in the mother of all plagues?

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Researcher death highlights dangers of pathogen work

Earth

Sauropod farts warmed the planet

Modern cows are a major source of methane, a greenhouse gas. Just think what must have come out of the biggest plant eating dinosaurs鈥�

Life

Magnetic bacteria create a biological hard drive

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Babies are born dirty, with a gutful of bacteria

Earth

Too-blue oceans: The invisible famine

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Bacteria could be significant cause of OCD