What Is Evolution, Anyway? - 12 Days of Evolution #1
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========== [MUSIC] This episode is sponsored by Dropbox. [MUSIC] A smart person once said “Nothing in biology
makes sense except in the light of evolution.” Evolution is what lets us understand the history
of life. We’re used to seeing things change… over
time. But biological evolution is about something
more. Centuries of observing nature has shown us
that all life is related. And just like how the physics here on Earth
is the same physics that rules the Andromeda galaxy, the same basic biological rules apply
to all creatures great and small. If life has a point, it’s making more life.
The instructions parents give to the next generation come with a few random changes.
Every new generation ends up slightly different than the generation before it. But nature doesn’t always make survi...