What weighs more, a pound of gold or a pound of feathers? Tatiana Ayazo/Rd.com,shutterstockYou might think that this is a trick science trivia question. But, if you guessed that they weigh the same, you’re wrong. A pound of feathers weighs more. Why? Gold is weighed in […]
The reason it’s blue? The sun Dmitry Polonskiy/ShutterstockThe “deep blue sea”—and our “blue planet” with it!—owe their iconic color to the light of the sun. When the sun shines on the ocean, the water absorbs the longer red and orange wavelengths of light while reflecting blue light […]
Rainforests are found all over the world — in West and Central Africa, South and Central America, Indonesia, Southeast Asia and Australia — on every continent except Antarctica. They are vitally important, producing most of the oxygen we breathe and providing habitat for half of […]