Find out why Aldi‘s quarter system is a smart way to save money and ensure carts are always available.

BIG QUESTIONS
Here's what’s happening in your body when you eat ice cream or drink a chilled beverage too fast.
To predict quakes, scientists have to understand how they occur, what happens just before and during the start of one, and whether it shows signs that movement is imminent. So far, none of those things is known.
A car accident in a movie usually ends in a huge fireball. But what really causes vehicle fires?
Depicting the mirror image of a flag on aircraft is done for a very specific (and very patriotic) reason.
Maligning ponies has become a go-to way to dismiss someone. How did that happen?
Sleeping in your birthday suit may feel good, but is it good for you?
Bridesmaid traditions can get pretty bizarre, but the real reason behind why they usually wear the same dress is perhaps the most fascinating of all.
LEGO bricks are notorious for being indestructible, but one color is an exception.
Sick astronauts on a space mission can’t just pop down to Earth to see a doctor. Here’s how they deal with bumps, bruises, and worse.
We dig down to the root of the issue.
Common household cleaning products like dish soap and laundry detergent might get forgotten about for years before being found and used. Will they still be effective?
People have been observing faces and figures on the moon for hundreds (if not thousands) of years. There’s a perfectly scientific explanation as to why.
For years, couples have dedicated that finger to romance when any other digit would do.
Here on Earth, we tend to take showering for granted. But getting clean isn’t so easy without the force of gravity helping you out.
Where did this curious expression come from, and what’s so right about rain, anyway?
The phrase dates back to the 19th century, but it took a fictional 20th century detective to take its popularity to new heights.
In honor of Valentine’s Day, discover the origins of the phrase ‘weak at the knees,’ including its ties to ancient Rome and even astrology.
Also called scallops, these tiny indentations have a purpose. And it’s not just to make the knife look cute.