Hi, we're here from curiosity.com to help you get smarter in just a few minutes.

I'm Cody Gough.

And I'm Ashley Hamer.

Today you learn which is healthiest, fresh, hand, or frozen vegetables,

how iodized salt accidentally increased the American IQ, and how you can

apply to participate in a new NASA-backed study to help scientists learn about the effects

of space travel.

Let's just satisfy some curiosity.

The next time you go to the grocery store, you can stop agonizing about whether you should buy

your vegetables in a can or in the produce aisle.

Because I've got news for you.

A lot of the time, canned, and frozen produce can have many more nutrients than their fresh counterparts.

In case you've heard rumors that fresh produce is always healthier, here's the science.

The moment produce is picked, its nutrients start to degrade.

When you pluck a fruit or vegetable from the tree, bush, or vine,

you're taking it away from its food source, so it starts using up its own nutrients to stay alive.

The produce you find in the grocery store may have taken days or weeks to get there,

and in that time, there could have been major changes in its

nutrients and fresh produce is also usually picked before it's ripe so that it

doesn't spoil before it gets to its final destination in your local grocery store.

So it doesn't even contain all the nutrients it could have if it had been picked when it was ripe.

On the other hand, canned and frozen produce is processed right when it's ripe, so its nutrients are locked in

...