Jim Al Khalili discusses the development of the web with Prof Wendy Hall.
1/6 Aleks Krotoski asks if the digital world is allowing us to be more altruistic than ever.
Jim Al-Khalili talks kangaroos and the death of the Y chromosome with Prof Jenny Graves.
Jim Al-Khalili talks to neuroscientist Sophie Scott about the science of laughter.
Jim Al-Khalili discusses sci-fi and popularising maths with Prof Ian Stewart.
Jim Al-Khalili discusses digging up dinosaurs in remote places with Prof Mike Benton.
Jim Al-Khalili discusses medical imaging and mountain climbing with Prof Mark Lythgoe.
Joanna Haigh, professor of physics at Imperial College, talks climate with Jim Al-Khalili.
Jim Al-Khalili talks to zoologist Russell Foster about circadian rhythms and jet lag.
3/3 Paul Farley follows the path of a heart valve from its Milan manufacturers to a UK patient
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