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Did you know that bananas are berries, but strawberries aren’t? A lot of thought goes into classifying fruits and vegetables, and it all has to do with anatomy.
The last episode in the series examines how humans perceive and experience time, investigating the internal body clock which tells people when to eat, drink, sleep and relax. The importance of accurately measuring time is explored in relation to human evolution, and there's a debate about whether mankind will ever be able to travel between past, present and future.
3/3 • Time Machine • Science
Matthew McConaughey takes viewers behind the scenes of Interstellar with a look at the real-life science that went into this out-of-this-world film.
In this episode the task is to work out the likelihood of alien life in the universe.
Part 2 • Genius by Stephen Hawking • 2016 • Science
President of the Institute of Physics Professor Julia Higgins explores the life and work of Michael Faraday and how his curiosity and passion for communicating science inspires her.
6/6 • People of Science with Brian Cox • 2018 • Science
Comedian Jimmy Carr takes over Horizon for this one-off special programme, produced as part of BBC2's sitcom season. Jimmy turns venerable documentary strand Horizon into a chat show, with eminent laughter scientists as guests and a studio audience to use as guinea pigs. Jimmy and his guests try to get to the bottom of what laughter is, why we enjoy it so much and what, if anything, it has to do with comedy. Between them, and with the help of contributions from other scientists on film, Jimmy and guests discover that laughter is much older than our species, and may well have contributed to making us human. With professors Sophie Scott, Robin Dunbar and Peter McGraw.