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Does eating lean red meat increase the risk of heart disease? Research suggests microbes in our gut convert something called carnitine in red meat to a potentially harmful substance in our bloodstream.
Conservationists are creating a database of DNA fingerprints of all living rhinos - and even the horns of dead ones - to try to tackle the international trade in their horn.
Scientists observe that listening to new music triggers activity in the reward centre of our brains.
A new book by Tom Chatfield collects together the neologisms from the net to provide a new lexicon of digitalk or geekspeak.
Test-tube baby pioneer Professor Robert Edwards died last Wednesday, aged 87.
Child psychologist Annette Karmiloff-Smith describes her career and why she thinks that the right sort of TV could be better for babies than a book.
And palaeontologists describe a cache of 190 million year old dinosaur embryos uncovered in China.