Two Mecyclothorax beetles abandon their relatives on the forest floor to climb up a tree. They settle into a moss home, eat, mate, and die. A couple hundred years or so pass until one of the original beetles’ offspring walks back down. But all the close relatives it once had there are already gone. There’s […]

In his Oscar acceptance speech, Leonardo DiCaprio said, “Making The Revenant was about man’s relationship to the natural world.” Perhaps the film’s most gripping illustration of this was when a grizzly bear nearly mauls DiCaprio’s character, an American fur trapper, to death. To be eaten by a predator, after all, may be the most apt […]

How biological invaders challenge our idea of self and other.

When 12 men gathered at the Green Bank Observatory in West Virginia to discuss the art and science of alien hunting in 1961, the Order of the Dolphin was born. A number of the brightest minds from a range of scientific disciplines, including three Nobel laureates, a young Carl Sagan, and an eccentric neuroscientist named […]

Humans have marvelous powers of recognition. No one’s surprised when parents identify their child in a crowd by a glimpse of her face or echo of her voice. But we aren’t unique in this regard. Other creatures have evolved impressive powers of discrimination. Take birds. “Their recognition system is really quite remarkable,” says Mark Hauber, […]

Animals are struggling to cope with the US-Mexico border wall.