BIG QUESTIONS

Optical illusions are great in a controlled environment. Figuring one out while driving, on the other hand, seems less fun.

Ostriches and emus share many similar physical characteristics, but there are also distinct differences between the two flightless birds. Which makes them sort of like cousins.

The ubiquitous packaging is everywhere, from cereal to deliveries to impromptu cat beds. But where did it come from?

Have you ever smelled a rising loaf of bread or, better yet, smelled the air underneath dough that has been covered while rising? It smells really boozy.

If you have ever visited a museum, you've probably noticed that many ancient sculptures are missing their noses, arms, heads, and other appendages.

You may know an ice cream headache by one of its other names: brain freeze, a cold-stimulus headache, or sphenopalatine ganglioneuralgia ("nerve pain of the sphenopalatine ganglion"). But no matter what you call it, it hurts like hell.

A hot and humid day can have a dramatic effect on both your comfort and your health. As millions of people around the world can attest to right now.

Feeling sweaty and fatigued is common when you're out in the sun, but certain symptoms can indicate a more serious heat-related illness. Here's how to recognize the signs of heat exhaustion and heatstroke.

For many years, a baseball team's “manager” wore a player’s uniform simply because he was also a player.

People have been growing tobacco for thousands of years, but never as food. That doesn't mean it can't be used as a protein source in the future.

Where did people get the idea that Jesus had a middle name? Well, Mark Twain has a funny story about that.

With privatized space travel growing, it's inevitable we'll one day find ourselves faced with a space murder. How would the law deal with it?