51动漫

Reproduction

Health

Having children earlier in life is genetically linked to dying younger

An analysis of over 270,000 people's genomes has found that people with genes linked to having children earlier in life are also more likely to die before the age of 76

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Life

Bat uses its huge penis like an arm during sex

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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

The US Food and Drug Administration approved the oral contraceptive Opill for use without a prescription. It is the first hormonal contraceptive available over the counter in the US

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Life

Birds from two different species raise chicks together in one nest

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Life

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

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Life

Crocodiles can reproduce without males 鈥� and maybe dinosaurs could too

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Life

One-off injection may provide lifetime contraception for female cats

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