BBC World Service - Discovery

18/04/2011 GMT

Explorations in the world of science.

In a special edition, the BBC's Discovery programme marks the 50th anniversary of the world's first manned space flight

Explorations in the world of science.

Explorations in the world of science.

Vera Frankl investigates 'Internet Addiction', talking to web users and experts from the UK, USA and China.

Memristors - the next stage in computer technology, offering faster computing and vastly increased memory.

Would you eat artificial meat, grown in a lab? Geoff Watts investigates.

2/2 Chemistry's reputation is not always good. Roland Pease asks if chemistry can change its profile and be seen to be green.

1/2 Chemistry's reputation is not always good. Roland Pease asks if chemistry can change its profile and be seen to be green.

As NASA prepares for the final flight of the Space Shuttle program, astronaut Jeff Hoffman looks back on its 30 year history.