Scientists spawn bonefish in captivity for the first time

It took scientists in Japan more than 50 years to successfully spawn eels in captivity to help preserve the species. In a race to solve a major challenge for conservation aquaculture, a breakthrough by researchers at Florida ...

'Old' sperm produces healthier offspring

Sperm that live for longer before fertilising an egg produce healthier offspring—according to new research from the University of East Anglia and Uppsala University in Sweden.

Why biodiversity is key to our survival

Diversity, be it genetic, morphological, behavioural or ecological, is at the heart of many controversies. It fascinates us or worries us, depending on the context. But what is biological diversity? How useful is it, how ...

Human cloning with Chinese characteristics

Chinese genetic scientists must not be put off sensitive research by ethical concerns, the team behind a controversial study on modified human embryos said Wednesday as debate erupted over the paper.

Even for cows, less can be more

With little research on how nutrition affects reproductive performance in dairy cows, it is generally believed that a cow needs a higher energy intake before calving. Research by University of Illinois scientists challenges ...

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