Scientists found that elephants often sniff pathways—and seem especially attuned to urine.

A pan-coronavirus vaccine could be “one vaccine to rule them all,” and so far it has shown strong results in mice, hamsters, monkeys, horses and even sharks.

Today we bring you a new episode in our podcast series: COVID, Quickly. Every two weeks,  Scientific American ’s senior health editors  Tanya Lewis  and  Josh Fischman  catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between.

Researchers in the happiest lab in the world tested 375 pups and found they connected with people by eight weeks

Made from microalgae and bacteria, the new substance can survive for three days without feeding. It could one day be used to build living garments, self-powered kitchen appliances or even window coverings that sequester carbon.

A new experiment shows that bats are born with a fixed reference for the speed of sound—and living in lighter air can throw it off.

Dutch scientist Antonie van Leeuwenhoek made extraordinary observations of blood cells, sperm cells and bacteria with his microscopes. But it turns out the lens technology he used was quite ordinary.

Today we bring you a new episode in our podcast series: COVID, Quickly. Every two weeks,  Scientific American ’s senior health editors  Tanya Lewis  and  Josh Fischman  catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between.

One mathematician has spend decades uncovering the deadly calculations of pestilence and plague, sometimes finding data that were hiding in plain sight.

An analysis of the animal’s walking speed suggests that T. rex ’s walking pace was close to that of a human. It’s too bad the king of the dinosaurs didn’t just walk when hungry.