Those black lines running through roadways are supposed to keep roads intact, but they can sometimes be dangerous.

BIG QUESTIONS
If your experience with bears is largely limited to reading Winnie the Pooh as a kid, you might think that these fuzzy mammals will do anything to get their gigantic paws on a jar of honey.
Discover the real reason why students get summers off each year, which contrary to popular belief, wasn’t because kids had to work on the family farm.
Cats have a long list of mysterious behaviors, but now we know why some of them feel compelled to munch on the lawn.
Chimpanzees in captivity are known to throw their own poop at visitors. What's behind this crappy behavior?
The ubiquitous packaging is everywhere, from cereal to deliveries to impromptu cat beds. But where did it come from?
You know mutts are adorable, but do you know how (if at all) they differ from mixed-breed, designer, and/or purebred dogs?
Some readers call them comic books. Others call them graphic novels, which just might be code for "expensive comic book." Is there more to it?
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.
It can be summer's most puzzling math problem. Hot dogs are sold 10 to a pack. Buns come in eight-packs. Who thought this was a good idea?
French vanilla may sound a little fancier than just plain ol’ vanilla, but it has nothing to do with the origin of the vanilla itself.
We asked some sun care experts to break down how sun protection factors are calculated, and how to best apply the stuff.
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.
Browse our dossier of questions that have probably come to you in the shower. (Including why thoughts often come to you in the shower.)
If you're a fan of true crime—or crime-based TV—chances are you've heard the terms 'signature' and 'M.O.' thrown around. We asked former FBI agent and author John Douglas to break down the difference for us.
An animal doesn't need to be a pig, a peacock, or something just as unconventional to qualify. What constitutes an emotional support animal has little to do with the pet itself and more to do with its owner.
Support for Flag Day, a sometimes-overlooked holiday, was ignited during the Civil War. But there was a commercial purpose behind it.
They may seem like a random jumble of letters and numbers, but they contain key information about your flight. Here's how to read your boarding pass like a pro.
Sinking a ball in a side pocket is usually referred to as pool, but is a billiard game the same thing? We investigate.