View full lesson: How did the universe begin — and how is it expanding? CERN physicist Tom Whyntie shows how cosmologists and particle physicists explore these questions by replicating the heat, energy, and activity of the first few seconds of our universe, from right after the Big Bang. Lesson by Tom Whyntie, animation by Hornet […]
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Jack Szostak (Harvard/HHMI) Part 1: The Origin of Cellular Life on Earth
Szostak begins his lecture with examples of the extreme environments in which life exists on Earth. He postulates that given the large number of earth-like planets orbiting sun-like stars, and the ability of microbial life to exist in a wide range of environments, it is probable that an environment that could support life exists somewhere […]