Pizza might seem like a simple food, but it's uniquely equipped to excite our brains and thrill our taste buds.
In baseball, a pitcher can throw a ball that seems to curve away just as it crosses the plate. How do they do it? It's all about aerodynamics.
In some places, the ocean is almost 7 miles deep. Scientists exploring the ocean floor have found strange sea creatures, bizarre geologic formations and records of Earth's history.
Just the tiniest bit of light can let you see in the 'dark.' Here's how your eyes do it.
The first Martian might just be a human being.
Music doesn't get objectively worse over time. So why do older generations scoff at each new top 40 hit?
The first computer, named the ABC, was built at Iowa State University. But for a long time, few had heard of it.
School integration is often thought of as something that took place in the 1960s. But the first black student to desegregate a school by court order was an Iowa girl named Susan Clark in 1868.
Oh! Excuse me! Please pardon my sphincter, esophagus and throat.
The word 'OK' has only been around for 180 years, but it's become the most spoken word on the planet.
The color of American money goes back to the British colonies.
Scientists have identified the world's smallest animal – for now. It could be possible smaller creatures exist that have not yet been discovered.
How do hummingbirds drink sugary nectar and not get sick? Don't they need a balanced diet to stay healthy? Do they eat anything else?
How much homework kids should do is a subject of great debate.
Have a cat who just loves to scratch? Declawing is a major surgery that comes with serious long-term side effects – and it might not solve the problem anyway.
What exactly is inside those red fire extinguisher canisters, and does it work better than water?
Hagfish have been called the most disgusting creatures in the ocean. But what are they?
Birds spend a lot of time and energy singing, but they don't do it the same way in every season of the year. And some can't sing at all. What's the purpose of birdsong?
People have probably always wanted clean and healthy teeth. What they historically used to achieve dental hygiene might surprise you.