Cow gene study shows why most clones fail

It has been 20 years since Dolly the sheep was successfully cloned in Scotland, but cloning mammals remains a challenge. A new study by researchers from the U.S. and France of gene expression in developing clones now shows ...

Japan hatches penguin chicks using artificial insemination

A Japanese aquarium said Wednesday it had hatched two Humboldt penguin chicks after using artificial insemination, the first time the technique has been successfully deployed for the vulnerable species.

'Spermbots' could help women trying to conceive (w/ Video)

Sperm that don't swim well rank high among the main causes of infertility. To give these cells a boost, women trying to conceive can turn to artificial insemination or other assisted reproduction techniques, but success can ...

Genetics for producing thousands of queen bees

Mexico has launched its first Center for Queen Bee Breeding in the center-north state of Aguascalientes, which aims to support productivity for 45 thousand Mexican producers of honey, which last year generated revenues of ...

Survival for some endangered species hinges on 'Frozen Zoo'

Whenever an endangered animal dies at the San Diego Zoo, researchers race out, regardless of the hour, to remove its sperm or eggs, maybe a bit of ear or eyeball, and carefully freeze the cells in liquid nitrogen.

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