What are bacteria doing kilometers above Earth's surface? Do pigeons "see" sound? And how have humans evolved to ultracold climates? Science's Online News Editor David Grimm chats about these stories and more with Science's Sarah Crespi.
What are bacteria doing kilometers above Earth's surface? Do pigeons "see" sound? And how have humans evolved to ultracold climates? Science's Online News Editor David Grimm chats about these stories and more with Science's Sarah Crespi.
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