carl zimmer
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Latest blogosphere posts tagged “carl zimmer”
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How Did Birds Get Their Feathers?
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We see birds flying gracefully through the skies everyday, but rarely do we question how their organs of flight evolved. That’s right- we’re talking about feathers. How could the structure of a feather evolve, and even more importantly, what evolutionary purpose could it have initially served? Well, in this TEDEd ...3 weeks ago
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