From The Royal Institution.

In his third lecture, Sir David Phillips explores the science of muscles.

Watch all the lectures in this series here: https://youtube.com/playlist?list=PLbnrZHfNEDZwJzRXCqVQbUwmocA5Mefzh&si=2ayVkEMTngvAPmcy
Watch our newest Christmas lectures here: https://www.youtube.com/playlist?list=PLbnrZHfNEDZyQJZLPMjwEoOLdkFBLU2m1

This was recorded on 3 Dec 1980.

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This year marks 200 years of the Royal Institution Christmas Lectures — a world famous series showcasing science, curiosity, and mind-blowing demos, and started by the legendary Michael Faraday himself.

To celebrate, we’re unlocking the archive. Every Saturday, we’ll upload a classic lecture to our YouTube channel — some not seen since they aired on TV. Sign up as a Science Supporter and get early access here:
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From the 1980 programme notes:
Chickens and turkeys are favourite foods, especially at Christmas, because they have large muscles which are good to eat. The very large breast muscles, which chickens no longer use very effectively for flying, are particularly well regarded. Muscle is a complicated engine made of protein molecules which uses chemical energy to do mechanical work. We shall see how studies, mainly with the electron microscope, have shown how it is constructed and consider some current ideas about how it works.

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About the 1980 CHRISTMAS LECTURES
Which came first, the chicken or the egg? This is one of the best known of all riddles without an answer but it is now giving place to a new riddle about the molecules from which chickens and eggs – and human beings – are made. These molecules are proteins and nucleic acids.

This series of six lectures, five presented by David Phillips and one with Max Perutz, showcases the complexity and importance of the proteins that make up so much of life. The lectures weave through the DNA helix, unravelling the mechanism that links DNA and protein production, and asking ‘which came first, the DNA or the protein?’

Find out more about the CHRISTMAS LECTURES here: https://www.rigb.org/christmas-lectures

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