Bee populations in the U.S. -- and even other parts of the world -- have been on the decline, which has many worried. Well, two new studies out might have figured out a reason why.
He explains while this new research is a helpful clue, it isn't quite enough evidence yet to send pesticides packing. And why should we care about bees in the first place? Well, they contribute to the growth of around one-third of our diet in this country.