Sir Martin Rees is an astrophysicist and cosmologist and Master of Trinity College at Cambridge. He is also the president of the Royal Society.
posted by GreatBird 1 decade 6 years 7 months ago • 2,540 viewsSustainability
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Updated: 1 decade 4 years 11 months ago
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I'd like to build this into comprehensive playlist. Long videos are preferred, but some short clips will be included. Please send me suggestions!