Competition among worm sperm speeds up evolution

From elaborate dances to stunning plumage displays to dramatic head-butting, male animals have an array of ways to distinguish themselves from competitors while wooing a potential mate. But it's not their only chance to prove ...

Gene-editing used to create single sex mice litters

Scientists at the Francis Crick Institute, in collaboration with University of Kent, have used gene editing technology to create female-only and male-only mice litters with 100% efficiency.

Hunting for human obesity genes in fat fruit flies

Fruit flies provide an effective platform for screening new obesity genes, and fat flies implicate a neuronal signaling pathway in weight gain, according to a new study publishing November 4th in the open-access journal PLOS ...

Leaving by staying: Dispersal decisions of young giraffes

Dispersal, the process where animals reaching sexual maturity move away from family, is important for maintaining genetic diversity and is key to the long-term persistence of natural populations. For most animals, this involves ...

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