The History of Life on Earth – Crash Course Ecology #1

With a solid understanding of biology on the small scale under our belts, it’s time for the long view – for the next twelve weeks, we’ll be learning how the living things... Read more »

Evolution: It's a Thing – Crash Course Biology #20

Hank gets real with us in a discussion of evolution – it’s a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every... Read more »
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