Ancient Chinese Drug used in Battle against Malaria

Researchers investigate how artemisinins, known to Chinese medicine, act to treat malaria. How the Venus fly basket sponge is an inspiration for fibre optic development. The Space Infra Red Telescope Facility (SIRTF) is the fourth and final of Nasa's Great Observatories programme and is designed to look back in time billions of years. How music could help prevent a language from dying.