Some alligators swallow small stones called gastroliths. The stones add weight, like a diver’s…
For thousands of years, Old Tjikko did not always look like a normal upright tree. During colder…
For thousands of years, Old Tjikko did not always look like a normal upright tree. During colder…
Hyperion was discovered in 2006 and is estimated to be roughly 600–800 years old. The National Park…
Hyperion was discovered in 2006 and is estimated to be roughly 600–800 years old. The National Park…
The experiment included 295 people divided into four groups listening to either low- or…
The experiment included 295 people divided into four groups listening to either low- or…
Forest cover fell from ~75% in the 1940s to ~21–40% by the 1980s, then rebounded to ~52–60% by the…
Forest cover fell from ~75% in the 1940s to ~21–40% by the 1980s, then rebounded to ~52–60% by the…
Modern domestic chickens mainly descended from a red junglefowl subspecies found in parts of…
Modern domestic chickens mainly descended from a red junglefowl subspecies found in parts of…
These clouds usually appear during summer near Earth’s polar regions. Their tiny ice crystals can…
These clouds usually appear during summer near Earth’s polar regions. Their tiny ice crystals can…
When virga evaporates, it cools the surrounding air. This cooler, heavier air can rush downward and…
When virga evaporates, it cools the surrounding air. This cooler, heavier air can rush downward and…
Dragonfly nymphs can be powerful mosquito hunters underwater. One scientific review found that a…
Dragonfly nymphs can be powerful mosquito hunters underwater. One scientific review found that a…
In Indonesia, a wild Sumatran orangutan named Rakus was seen treating a wound on his face with a…
In Indonesia, a wild Sumatran orangutan named Rakus was seen treating a wound on his face with a…