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Life

Kamikaze cells wage biowarfare and fight viruses with viruses

When a giant virus attacks one marine predator, it sacrifices itself to make viruses that kill the attacker

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These are the foods you should eat if you want less smelly farts

Shelves and shelves of maturing cheese

Life

Cheese-making led to gene-swapping orgy of bacterial bestiality

Predatory protocell

Life

Artificial killer cells mimic life as they wipe out opponents

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Triple-whammy drug kills parasites that make 20 million sick

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Self-destructing bacteria are engineered to kill cancer cells

Pseudomonas aeruginosa under the electron microscope

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Lung bacteria’s sense of touch tells them when to turn nasty

Aerial shot of phytoplankton bloom

Environment

Bacteria ‘gardeners’ farm algae to harvest when food runs out

Lactobacillus rhamnosus bacteria

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Gut bacteria spotted eating brain chemicals for the first time

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Virtual reality lets you stroll around a breast cancer cell

Medical researchers are using virtual reality to create accurate, explorable versions of our insides. Alice Klein goes for a walk

Life

Rip up the rule book and let NASA’s Mars rover check ‘life’ zone

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New life form discovered in saliva is linked to human disease

Environment

Microbial mass extinctions were kicked off by human evolution

Earth

Treating cows with antibiotics doubles dung methane emissions