Discovery Episodes Available now
A view into the past
A journey back in time with the Hubble space telescope
Finding the sleep switch
Sleep and the mysteries of the master switching centre of the brain
Hope for an HIV vaccine
Why a live virus is probably our best hope for a vaccine against Aids
Science and a look ahead
What the year ahead might bring in science
This year's most essential science books
Experts help compile a list of science reading from texts published throughout 1995
Sir John Maddox
A report on the influence of Sir John Maddox, editor of the scientific journal Nature
Sprites in the sky
A report on the electrical phenomena known as sprites that appear during thunderstorms
Meteorites and the origin of life
Could meteorites explain the origin of life?
Space and the search for infrared
The launch of a European rocket from French Guiana
Scientists at MIT
Reporting from Cambridge, Massachusetts and talking to scientists who work there
