Hi, you're about to get smarter in just a few minutes with Curiosity Daily from

Curiosity.com. I'm Cody Gough. And I'm Ashley Hamer. Today you'll learn why

fragrance-free is not the same thing as unscented and how a cow named Cosmo was genetically

edited so he'll have more male offspring. Let's satisfy some curiosity.

When you're buying personal care or household products, there are lots of reasons you might go unscented or fragrance-free.

Some people are sensitive to smells, others have allergies, and still more just don't want to smell like a jumble of all the products they use.

But did you know that there's actually a big difference between what it means for a product to be unscented and what it means to be fragrance-free?

If you didn't, you are not alone.

Take it from a survey performed by the Natural Marketing Institute

and Johnson and Johnson, you know, that maker

of a whole bunch of body products.

They asked fragrance-free consumers to take pictures of their personal care products

and indicate whether they thought the products were unscented or not.

The consumers were wrong about half the time. Most of these people had

fragrance sensitivities and some had even been diagnosed with a fragrance allergy and they

still didn't know which of their own products were scented.

The confusion is understandable.

That's because it's all a big word game.

Basically, an unsented product is supposed to have no smell at all. But because many ingredients have a

smell, unsented products often have a masking scent added to give the illusion that they

have no scent. A fragrance-free product, however, can actually have a smell.

The smell just has to be there by accident. So if you're making a moisturizer

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