Life
Female w膿t膩 insects have two sets of genitals and eat male ejaculate
Female short-tailed ground w膿t膩s have two sets of genitals, one to receive sperm and the other to receive extra ejaculate that they eat to survive parenting
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Health
Male contraceptive pill is safe and effective in tests in mice
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Life
Mouse pups born from unfertilised eggs through genetic manipulation
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Life
Fossilised dinosaur embryo found exquisitely preserved inside egg
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Life
Zebra finch songs alter the behaviour of their chicks’ mitochondria
News
Life
Living robots made from frog cells can replicate themselves in a dish
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Health
Sperm quality has been declining for 16 years among men in the US
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Life
Female black widow spider mates with and eats multiple males
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Life
Ewes prefer to mate with submissive rams when given a choice
News
Humans
How nature, nurture and sheer randomness combine to make a unique you
We鈥檙e slowly beginning to unpick the complex interplay of genes, environment and experience that make you who you are 鈥� and like no one else who ever existed
Features
Environment
Female banded mongooses start wars so they can mate with rival males
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Health
How defining women as baby-makers backfired spectacularly on science
Culture
Health
Human eggs release chemicals that attract some sperm more than others
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Health
End of one-child policy in China linked to rise in birth anomalies
News