An aerospace engineer explains why it’s so hard to tell just how fast an airplane is really moving.
Evolutionary biology and the fossil record reveal a great deal about the origins of chickens and eggs.
A pediatric urologist explains how the bladder and the brain communicate to wake you up when you need to ‘go’ – and how that communication might break down.
Animals often give birth to litters of more than one offspring at a time. But are those babies twins?
Flies often beat out competitors for food because of their specialized sensing organs called antennae.
Tower cranes come in many different sizes, and many weigh more than 100 tonnes.
Recent research suggests blood vessels are the key to why fingers and toes turn pruny and pale after being submerged for a while.
An ophthalmologist explains how important tears are to keeping your eyes feeling good and working well – whether you’re on dry land or swimming in a body of water.
Crying triggers changes in how a newborn baby gets their oxygen. But not all new babies cry, and it’s not always a problem.
Black holes are known for pulling in all kinds of stuff – including light. Here’s how that actually works.
You’re not allowed to visit the part of Nevada known as Area 51. That’s because it’s a top-secret government facility. But the secrecy has to do with spy planes, not space aliens.
Traditional businesses operate with an established solution to a known problem. Startups focus on a product or service no one else provides.
To find out what is beyond space, a good place to start would be to figure out where space – our universe – ends.
If an astronaut were to die on Mars, neither cremation nor burial would be good options.
Math is more than memorizing times tables and doing homework problems. It is woven into more aspects of your life than you might think.
Some people incorrectly say the Moon landings didn’t happen. But the evidence – and logic – isn’t on their side.
Your brains can perceive some electromagnetic waves – but not without your body’s help.
The United States has a two-party political system because of single-winner plurality voting.
An expert in high-end collectibles explains why certain items can become valuable – and also how they can lose worth.
You can squash small bugs by stepping on them, but can you crush even tinier microorganisms like viruses and bacteria? It turns out that you’d need to apply a lot of pressure.