Some superheros can move faster than the wind. The men in Apollo 10 reached a record-breaking speed of around 25,000 miles per hour when the shuttle re-entered the Earth's atmosphere in 1969....
Some superheroes can grow to the size of a building at will. That's very intimidating! But a scientist must ask where the extra material is coming from. The Law of Conservation of Mass implies...
Wouldn't it be great if we could be invisible? Ha, right? I mean, we could spy on people without being noticed and do whatever we want without being held responsible. Now, magicians have...
Think of all the food made in the world each year. Hard to picture? Then, imagine that you are all of humanity, and on a plate in front of you is the one lovely annual meal you make for yourself. You...
Around 1469, a wealthy money changer commissioned a young painter named Sandro Botticelli to paint an altar piece. Botticelli would, of course, become known as one of the greatest painters of the High...
Nowadays, we take curiosity for granted. We believe that if we put in the hard work, we might one day stand before the pyramids, discover a new species of flower, or even go to the moon. But, in the...
Olive oil is 100% fat; there's nothing else in it. Pancake mix, on the other hand, is only about 11% fat. And, yet, olive oil is good for you, and pancake mix is not. Why is that? As it turns...
Imagine a place so dark you can't see the nose on your face. Eyes opened or closed, it's all the same because the sun never shines there. Up ahead, you see a light. When you creep in...