Advances

These organisms’ private “mucospheres” play an outsize role in the planet’s carbon cycle

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A global look reveals contamination by antibiotics, antidepressants and other medications

The placenta’s invasion of the uterus holds clues to cancer resistance

Broad-webbed feet help them glide through rain-forest canopies

Here’s how they choose the right leaf for the job

“Sexually transmitted” plant viruses may be on the rise because of agricultural activity

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There’s a structural reason your sponge hosts so many microbes

The insects target red tones when they are exposed to carbon dioxide

A system could aid forensic searches and crime-scene mapping by detecting reflections from human materials

The birds can dramatically drop temperatures at night to save energy or linger in an intermediate state