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reproduction

Life

Bat uses its huge penis like an arm during sex

Video recordings reveal that penetration does not occur when serotine bats mate; instead males use their penis to push a protective membrane out of the way

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Space

Mouse embryos have been grown in space for the first time

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Life

Most mammals go through the menopause - if they live long enough

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Two thick-billed murres

Life

Young seabird couples get 'divorced' with little immediate benefit

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Timema monikense Vickery & Sandoval 1998./ Santa Monica Mountains National Recreation Area.

Life

Stick insects that are normally asexual may occasionally have sex

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Japanese stick insect Ramulus mikado

Life

Female stick insect clones itself despite having sex with males

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Life

Postmenopausal orcas seem to prevent sons from getting into fights

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Health

Giving birth at an older age is linked to a longer life in women

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Health

First over-the-counter birth control pill approved in the US

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cooperative breeding in redstarts

Life

Birds from two different species raise chicks together in one nest

A pair of common redstarts and a pair of black redstarts were seen brooding in the same nest in Italy – a kind of cooperative breeding that has never been documented before

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Life

Male spider mites rip off females’ skin to be first to mate with them

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Life

Crocodiles can reproduce without males – and maybe dinosaurs could too

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Life

One-off injection may provide lifetime contraception for female cats

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Life

Beetles that receive less care as larvae may become better parents

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