BIG QUESTIONS

If the air and the water are the same temperature, what accounts for the difference that we perceive? It's a matter of heat transfer, the transition of thermal energy from a hotter object to a cooler object.

More than 250 million messages are tweeted daily. Approximately 290,000 status updates are posted to Facebook every minute. And who knows the number of instant messages that contain hyperlinks. Probably a lot.One thing is for certain: A good number of tho

If you’re a member of my generation or the one that raised it, your house was probably full of all sorts of glow-in-the-dark stuff in the 80s and 90s. Yo-yo's, stickers, action figures, clothing, you name it. As a kid, I thought it was just short of magic

Let’s picture a typical moment in my day: I’m minding my own business, with my iPhone in my back pocket. Suddenly, my left cheek is shaking as the phone vibrates and does the bzzt, bzzt, bzzt-ing dance of its people on my backside. I check the phone, and

Some Dum Dums have wrappers with question marks where the flavor is normally printed. This was a marketing idea that made the production process run more smoothly and made eating Dum Dums more fun.

Reader Jonathan wrote in to ask, “Why do we call other countries by names that they do not use themselves? Where did these names come from and why do we use them?"

If you’ve ever seen the World Health Organization or American Medical Association logo, or the “star of life” on the side of an ambulance, you might have wondered what a snake wrapped around a stick has to do with those who fix what ails us. Well, that st

Truman isn’t just gleeful in that famous photo because he won the election, but because it was egg on the face of a paper he hated, the Chicago Tribune. The paper had a conservative bent, disapproved of most of his policies, and had once even called him a

While the lifespan of any individual atom is random and unpredictable, the probability of decay is constant. You can’t predict when an unstable atom will break down, but if you have a group of them, you can predict how long it will take.

Sledding image via Shutterstock“Put a jacket on if you’re going out there, or you’ll catch a cold.”It’s a common refrain of grandmothers all over the world. Are they right, though? Do low temperatures have anything to do with catching the common cold? Mos

In the 1930s, how would a middle-class Baltimore divorcee become romantically involved with the man who would be King of England? It always comes down to who you know. And Wallis Simpson knew how to climb the social ladder very effectively.

I know I’m only about a decade late, but I recently, finally, watched the entire run of The Sopranos. Tony and his crew get their hands into plenty of different moneymaking schemes, but throughout the series one character or another (Tony, Richie Aprile,