When Kilauea erupted on the Big island of Hawaii in 2018, the lava flows were hotter than 2,000 degrees Fahrenheit. That's as hot as waste incinerators, which usually burn garbage at 1,800 to 2,200 F.
Some places rarely see the sun.
Donat Photography / EyeEm
Poop, of course, isn't always brown. It can be a different color, depending on what you eat and how fast the stuff moves through your system.
Most Americans easily recognize Uncle Sam as a symbol of the United States or a national nickname.
Some people just love to play. Give them a ball, or a pen, or a pile of leaves and they'll find a way to play with it. In fact, enough people love to play that just about any time someone invents something new, people find a way to play with it.
There are three reasons we see so many red American barns.
Light is fast. In fact, it is the fastest thing that exists, and a law of the universe is that nothing can move faster than light.
A fly regurgitating digestive juices.
Carlos Ruiz, CC BY-ND
Many anthropologists see bipedalism - which means walking on two legs - as one of the defining characteristics of "hominins," or modern humans, and their ancestors.
Attention-deficit hyperactivity disorder is a common, yet often misunderstood, mental health condition.
