Related topics: stem cells

Tiny worms are helping scientists better understand fertility

Studying sex from just the male perspective misses half the experience. But much of what we know about the origins of reproductive cells comes from looking at sperm and egg formation separately—or only focusing on sperm.

Animal testing under REACH: Bringing numbers into the debate

Sixteen years ago, the REACH chemical regulation came into force across Europe. REACH obliges the chemical industry to identify the health risks of all chemicals used in their products. The downside of REACH is that this ...

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