Randomized surveys allow people to be honest even when the answers are embarrassing.
Scientists are researching why there are more than 7,000 different languages on Earth.
Billions of years from now, the sun will expand and engulf the Earth.
For a moon to be a supermoon, it needs to be at least 90% full.
Learn more about the history and science of butter.
Here's a fun butter experiment. If it goes well, you'll end up with a delicious result!