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The parthenogenetic mouse and the offspring. The parthenogenetic mouse was generated by targeted epigenetic rewriting of multiple imprinting control regions. The parthenogenetic mouse exhibited normal reproductive performance as an adult.

Life

Mouse pups born from unfertilised eggs through genetic manipulation

Parthenogenesis, the development of offspring from unfertilised eggs, was thought to be impossible in mammals, but researchers have used genetic trickery to make it happen

News

The fossilised oviraptorosaur dinosaur embryo curled up in its egg

Life

Fossilised dinosaur embryo found exquisitely preserved inside egg

News

Beautiful little Zebra finch in the wild.

Life

Zebra finch songs alter the behaviour of their chicks' mitochondria

News

A C-shaped xenobot pushes along a cell to create a new clump of cells

Life

Living robots made from frog cells can replicate themselves in a dish

News

Vials of donor sperm frozen by liquid nitrogen

Health

Sperm quality has been declining for 16 years among men in the US

News

spider

Life

Female black widow spider mates with and eats multiple males

News

Ewes prefer to mate with submissive rams when given a choice

Life

Ewes prefer to mate with submissive rams when given a choice

News

How nature, nurture and sheer randomness combine to make a unique you

Life

How nature, nurture and sheer randomness combine to make a unique you

Features

Female banded mongooses start wars so they can mate with rival males

Environment

Female banded mongooses start wars so they can mate with rival males

News

How defining women as baby-makers backfired spectacularly on science

Health

How defining women as baby-makers backfired spectacularly on science

In Guynecology, Rene Almeling argues that moving away from gendered ideas about reproduction could improve our health and transform our societies

Culture

Health

Human eggs release chemicals that attract some sperm more than others

News

Health

End of one-child policy in China linked to rise in birth anomalies

News

Life

Why climate change is creating more female sea turtles and crocodiles

Features

Life

No more goody two shoes: Why true altruism can’t exist

Features