Video games are everywhere. So who was the first person to come up with the idea of playing a game on a computer screen?
Barns are practical buildings, designed to safeguard farm animals and equipment. Why are so many of them painted to stand out from the landscape?
The fastest things ever made by humans are spacecraft, and the fastest spacecraft reached 330,000 mph – only 0.05% the speed of light. But there are ways to go faster.
A fly does some of its digesting outside its body before it even eats any food.
Walking has taken a very long time to develop, with evidence of bipedalism among early humans in Africa roughly 4.4 million years ago.
Even when the condition lasts a lifetime, there are behavioral treatments and prescription drugs that make it easier for people with attention-deficit hyperactivity disorder to thrive.
A dentist explains why this is a habit worth breaking – no matter the cause or the strength of your cravings to keep doing it.
Americans’ collective memory of school desegregation involves crowds of screaming white protesters. But less well known are the whites who stood by quietly, and those who approved of the changes.
Energy drinks and coffee both contain lots of caffeine. That’s a problem for teens, especially those who take prescription stimulants.
Scientists have a good estimate on the staggering number of stars in the universe.
An exercise physiologist explains how it’s a problem of communication between your brain and your body.
Gravity, mass and centrifugal force all contribute to the final shape of a planet.
An infectious disease doctor explains the science behind COVID-19 vaccines at a level that children – and adults – of all ages can understand.
Planting a massive number of trees can help slow climate change, but it is only part of the solution.
Ever since moviegoers saw the first ‘Jurassic Park,’ millions have wondered if scientists could make a dinosaur in the lab.
Consuming alcohol makes accidents more likely and it can harm your heart, your liver and even change your brain. But making the sale of beer, wine and hard liquor illegal flopped.
The Earth is constantly changing in natural ways, but most of those changes are very slow. Humans are speeding up other changes with global warming.
Gravity is something every person on Earth intuitively understands: It is what keeps you on the ground. But how come gravity pulls down, rather than pushes up? Einstein came up with the answer.
Billions of galaxies are in the universe, with billions of stars in every galaxy. Could billions of planets be out there too?
There are five basic things to address while starting your own company: Need, idea, product, setup and market.