BBC World Service - Discovery

The Brain - cognitive enhancement

First in a two part series on attempts to understand the human brain

Second of a two-part series on Venus as astronomers prepare to view a rare planetary event

In some ways, Venus is the twin of Earth, in other ways it most certainly is not

What happened before the Big Bang?

A report from Wyoming where the 2003 Columbia astronauts went on a wilderness expedition

Investigation into the ability of predicting human behaviour and the 'theory of mind'

Organisms that defy the conventional rules of biology

A look at the obesity crisis, is it the next major epidemic?

BBC Science Correspondent, Richard Black makes his final preparations for the marathon

Our correspondent prepares for the London Marathon, the second in a series