Learn about the SAT and ACT differences, including test format, scoring systems, and duration.

BIG QUESTIONS
Tariffs are a means for one country to wrangle better trade terms with another country and to protect domestic manufacturing. Unfortunately, they don’t always deliver.
Misunderstanding room temperature can have some surprisingly serious consequences.
And how you can tell a two-way mirror from a standard one.
Ever wondered why canned soda tastes different from one in a plastic bottle? Learn how container materials impact flavor.
Find out why Aldi‘s quarter system is a smart way to save money and ensure carts are always available.
Aphantasia is a little-understood phenomenon that affects about 4 percent of the population. There are several theories behind what causes it.
Hubcaps might seem purely decorative, but they serve an important purpose for your car.
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?