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Oh yes. Hello and welcome to Curiosity Daily from Discovery. Now I might be a little bit biased

but I think this is one of the best places to get

smarter in just a few minutes. I'm Nate. No I don't think you're biased I

really think it is the best place to get smarter I'm Cali. Today you'll learn

about how climbing on monkey bars and other risky play could be a gift from our ancestors,

the dangers of mold in space, and new evidence on how cravings take root in our brains.

Wait, is there really a reason I like rock climbing so much?

Okay, awesome, let's find out.

When most of us of a certain age hear the words jungle gym,

we conjure up a vision of childhood playgrounds maybe full of squeals of

laughter of giggling and in my case screaming and crying after falling off the

swing set. Playground gear like jungle gyms and monkey bars have been

staples of childhood for hundreds of years, but they've been hit with the

controversy over the past couple of decades as parents and public officials ponder over their safety.

I mean, Monkey Bars, they do make me think both of having fun and maybe of getting a little banged up

I understand the controversy they're a blast to play on but it can be a little dangerous.

Oh, totally.

But anthropologists from Dartmouth have published a study that suggests that maybe the danger is the

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