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World Service,11 Mar 2004,22 mins

How female Mice keep making Eggs

Science In Action

Available for over a year

The ovaries of female mice have been found to contain germ stem cells that produce eggs through their reproductive life, so overturning the idea that they were born with a finite number of eggs. The Nasa Messenger space probe will go into orbit around Mercury to discover more about the solar system's hottest planet. Brain activity of people watching the same movie shows remarkable uniformity, suggesting a commonality of experience.

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