BIG QUESTIONS

Can you really use that book of Elvis stamps you grabbed back in the 1990s? Yes, but there's a catch.

The conditions for stifling heat are pretty easy to explain, and so is the solution: Keep cool.

The five-pointed star is common in the northeast and has been rumored to represent everything from the Amish to swingers.

While there's a common answer to the number of bones contained within the human body, it's not exactly accurate.

The answer to how many teeth a shark has is surprisingly complicated.

The most populous city on Earth has more residents than the entire state of Texas or the whole continent of Australia.

The white roofs on school buses help keep things cool in more ways than one.

People have been “dropping like flies”—often due to weather—since at least the mid-19th century.

Is it really not the heat, but the humidity? With temperatures spiking around the world, it's a good time to answer some questions about the heat index.

The Gold Star Family license plate has its roots in a custom that began during World War I.

A room temperature stick of butter is easier to spread. But is it safe?

Yes, they’re synonyms. But there’s a little more to the semantic story of ‘recur’ vs. ’reoccur’ than that.