Evolution

Aerial photography highlights the effect humankind is having on the earth

Horseflies misjudge landings on zebra patterns, compared with solid gray or black surfaces, which provides evidence for why evolution came up with the black-and-white pattern.

The concave-eared torrent frog's unusual ear anatomy lets it hear high-frequency calls, which gives a mating advantage to the littler males that sing soprano.

Here are some brief reports about science and technology from all over, including one from the United Arab Emirates about the the first interplanetary mission by an Arab country.

A titanosaur fibula hosts what looks like 70 tiny parasites

Jigsaw-puzzle-shaped seams that hold a notoriously tough insect’s wing cases together could inspire engineers

The mass-extinction asteroid happened to strike an area where the rock contained a lot of organic matter and sent soot into the stratosphere, where it could block sunlight for years.

From mammals to mollusks, animals living among humans lose their antipredator behaviors.

The ancestors of today’s dogs already exhibited some playfulness, which became a key trait during domestication.

Debate erupts over how best to estimate the sizes of the largest creatures ever to have walked the earth

A stretch of Neandertal DNA has been associated with some cases of severe COVID-19, but it’s unclear how much of a risk it poses. Christopher Intagliata reports. 

Humanity’s most recent common ancestor and so-called genetic isopoint illustrate the surprising connections among our family trees