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A number of sperm cells

Space

Mouse sperm sent into space produces healthy IVF babies

The first experiment to test how space travel could affect mammals’ reproduction shows that pregnancy can smooth over DNA damage from cosmic radiation

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An egg

Life

Eggs get less fertile with age because of chaotic cell division

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Hands of parents and a baby

Health

Questions raised over 3-parent baby procedure last year

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guppies

Life

Female fish with bigger brains choose better mates

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lamprey

Life

Female fish mate 200 times but save eggs for the perfect male

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abortion protests

Health

Women's access to birth control and abortion fading under Trump

Insight

A juvenile zebra shark

Life

Female shark learns to reproduce without males after years alone

News

Exclusive: Mexico clinic plans 20 'three-parent' babies in 2017

Health

Exclusive: Mexico clinic plans 20 'three-parent' babies in 2017

News

Mosquito fish

Life

Longer ‘penis’ drives evolution of bigger brains in female fish

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Baby

Health

UK’s first three-parent babies likely to be conceived in 2017

The approach might not always work but it should be safer than existing methods for preventing harmful and sometimes fatal mitochondrial diseases

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Life

The devoted spider dads who fix up nurseries for their babies

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Life

Mice’s love songs go wrong when ‘language gene’ is messed up

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Life

Eggs made from skin cells in lab could herald end of infertility

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Health

Older women have babies with fewer birth defects after IVF

News