5 Things We Learned From The Second Episode Of NPR's "Invisibilia"

Can we get rid of fear? Hosts Alix Spiegel and Lulu Miller investigate.

Alice Mongkongllite / BuzzFeed

Here are some of the remarkable facts from the second episode, "Fearless."

We get scared for a reason: survival! But modern life relentlessly provokes our fear in ways natural living didn't, posits Caltech professor Ralph Adolphs, who has examined fear in human brains for decades.

We're simply not wired to see shootings and other reported horrors and ignore them, he says — and they trigger our anxiety when we don't need it.

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