The BBC brings you all the week's science news.
All available episodes
Upcoming episodes (2 new and 11 repeats)
Gravity and ripples in the fabric of space time - what do these mean for us?
Cannabis residue in China shows it may have been smoked two-and-a-half thousand years ago
In the 1980s Russia and America conducted nuclear weapon tests on each other’s territory
Scientists have mapped the underground network of fungi that provide trees with nutrients
Every commercial aircraft is struck by lightning an average of about once per year
Sign in to the BBC, or Register