Study questions life extension mechanism in roundworms

(Phys.org)—It's strange to think that there was a time when molecular cell biology was considered by professionals of other scientific specialties as disreputable or laughable. But the motivation for much cellular biology ...

Stem cell technique makes sperm in a dish

Scientists in China have finally succeeded in creating functioning sperm from mice in the laboratory. To accomplish this feat, the researchers coaxed mouse embryonic stem cells to turn into functional sperm-like cells, which ...

A radical signal to the progeny

In biology, free radicals are often regarded as the source of all evil and the major cause of molecular damage and aging. However, free radicals are indispensable as signaling molecules governing important functions in the ...

Oskar's structure revealed

The structure of two parts of the Oskar protein, known to be essential for the development of reproductive cells, has been solved by scientists from EMBL Heidelberg.

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