AnimalsFrom our X
The decades-long ant war outside San Diego
A breakaway group of Argentine ants near Lake Hodges has fought the California supercolony for decades. Researchers estimate about 30 million ants die each year on the front line.
Discovery
Science, space and fascinating finds.
AnimalsFrom our X
Japan’s tanuki looks like a raccoon, but it’s a dog
Japan’s tanuki looks like a raccoon and sits like a stuffed toy, but it is neither. It is a real canid, and the mask is fur.
AnimalsFrom our X
Why tigers look orange to us but green to deer
Humans are trichromats, so a tiger looks orange to us. Deer and wild boars are dichromats, and to them the same tiger appears green.