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animals

Winter fight of two Striped Field Mice (Apodemus agrarius) in the snow. Moscow park, Russia.

Life

Sex and aggression linked in male mouse brains but not in female

In male mice, the same brain cells influence both aggressive and sexual behaviours, but for the first time we now know that's not the case for females

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clouded leopard

Life

The plan to reintroduce a big cat that might never have existed

Features

platypus swimming

Life

Five mythical animals that turned out to be real

Features

pig on a sofa

Life

The porker paradox: A very human dilemma

Culture

aye-aye

Life

Endangered animals – and made-up beasts – drawn with gonzo charm

Regulars

discarded tractors

Earth

Back to the wild: How nature is reclaiming farmland

Features

Temnothorax rugatulus ants

Life

Lazy ants lay eggs for their industrious sisters to eat

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otters

Life

Wild tales of stuffy sharks, intimate otters and unloved horses

Culture

lioness suckling a leopard

Life

Never-before-seen photos of leopard cub being raised by a lion

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Fire ants building a tower

Life

Ants build living towers that flow like a fountain in reverse

The rules that guide fire ants to make tall towers with their own bodies could be applied to miniature search-and-rescue robots

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Life

Frogs may have evolved the first kneecaps on Earth

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Life

UK and Irish seabirds search area size of Spain for food

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Life

The ethics issue: Should we give other animals rights?

Features

Earth

Demise of dinosaurs opened the doors to the age of tree frogs

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