Two George Mason University students built a fire extinguisher that can put out a blaze without using water, foam, or chemicals. The device emits a low-frequency hum that deprives the fire of oxygen.
Make everyday objects into rainbows with these color-revealing experiments.
Through a fascinating lab accident, researchers made square snowflakes, learning something new about water in the process.
Over 1,000 languages are severely or critically endangered, according to UNESCO, and some scientists are saying economic growth is driving language extinction. But what might be the consequences of less language diversity?