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Adventures in Time

Dara O Briain and the team go on a journey through time to discover what it is and how to get more of it.

Dr Helen Czerski witnesses the most incredible recreation of a living, beating human heart that has been grown in a laboratory.

Alok Jha investigates the tiny margins of winning as he examines the multi-million pound technology behind the British bobsled team's push for Olympic glory.

In the studio Professor Mark Miodownik slows down time to reveal the mysteries of explosions, solves a centuries old puzzle and shows how to see light itself.

The team also have an encounter with some time-travelling rats, explore the missing piece in the history of the universe (the mysteriously named cosmic dark ages) and discover how bats might hold the secret to us all living longer.

Release date:

1 hour

Last on

Wed 7 Aug 2013 23:50
BBC Two Northern Ireland, Wales only

Helen's science news

Helen's science news

More about the stories featured in Dr Helen Czerski's latest science round-up.

Weird slime

Weird slime
Mark Miodownik reveals how you can perform simple science experiments at home. This weird slime is easy to make and acts like a liquid but behaves like a solid when you hit it.

Follow @BBCScienceClub

Follow @BBCScienceClub

Get an extra helping of surprising facts and links and join the conversation for some really social science.

Guest experts

Guest experts

Joining the team in the studio for Episode 2 are Dr Emma Teeling, Lecturer in Evolution and Genetics, and Max Tegmark, Professor of Physics.


Role Contributor
PresenterDara O Briain
ExpertMark Miodownik
ReporterHelen Czerski
ReporterAlok Jha
Executive ProducerHelen Thomas
Series ProducerKaye Godleman
Series EditorNigel Paterson

Why does a magnetised needle face north?


Mark demonstrates how to magnetise a needle in order to create your own working compass.

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