BIG QUESTIONS

Your ears aren't the only thing you have to worry about.

There's a lot of information crammed onto food packaging these days, and along with all of the helpful stuff (like nutritional data and ingredients), there's also the mysterious, multicolored row of circles or squares that serves a very important purpose

Or was Toucan Sam just faking it all these years?

Don't believe the myth.

We can thank the ancient Babylonians and Egyptians. Here's how people decided how long an hour, a minute, and a second are.

Venomous bites can paralyze and kill prey. But what happens when a snake is exposed to its own toxins?

Up to 35 percent of the population experience this sneezy reaction to bright light.

Your house smells. Don’t feel bad—everyone's abode has a distinctive odor. But not one of you could pick your own home’s aroma out of a scent lineup.

A little grease goes a long way.

According to theories, everything that could occur or exist does exist in at least one universe...whoa.

A chemist's guide to smelling good.