What’s harder to understand, a human brain or the universe?

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The human brain is immensely complex, containing more connections than there are stars in the Milky Way galaxy. At the 2016 World Science Festival, physicist Brian Greene and neuroscientist Miguel Nicolelis discussed why scientists have a better handle on our vast universe than on the three-pound organ inside a human’s head–and what role that organ plays in creating the universe it seeks to understand.

[Source: Worlds Science Festival You Tube channel]