Charged up bees and deep, dark seas

It's 60 years since the world's first atomic clock was created. But what is time? When did time begin, and how accurate is timekeeping today? We'll be asking why we need leap seconds, we cook up a Big...

29 Juni 201553min

Tens of thousands of Londoners developed painful, apple-sized, pus-filled boils before dying from the dreadful disease within days. But just as the ordeal of the Black Death seemed to be subsiding, th...

22 Juni 201552min

What's the point of mosquitoes? Do your eyes pop out if left open when sneezing? Is the Universe infinitely big? Are birds really related to dinosaurs? What is quantum entanglement? If the space stati...

15 Juni 201552min

For World Blood Day we've been delving into the history of blood letting, getting stuck into blood donation and exploring exciting new possibilities for making blood that's safe for everyone. Plus, a ...

8 Juni 201555min

Are we on the verge of solving one of the longest standing puzzles in physics? Physicists think we're close to discovering the identity of Dark Matter, the mysterious, invisible substance that account...

1 Juni 201553min

Colour-switching sticklebacks, geckos with enough adhesive power to hold up a human, bats with built-in sonar and moles with amazing noses - this week we go in search of the world's most incredible an...

25 Maj 201559min

This week, can we colonise Mars? What's causes that smell after it rains? Can genetics inform skin care? And how do astronauts shower in space? Chris Smith, Richard Hollingham and Max Sanderson join K...

18 Maj 201555min

This week, endoscopies for jet engines, how the aviation industry could have us cruising for an infectious bruising, the workings of radar, and whether cheap flights actually cost the Earth. Plus, in ...

11 Maj 201553min