Read the latest articles from Popular Science (Page 374)

New tests on the millennia-old footprints confirm their age. But debate around the first humans to live in the Americas will continue.

Estradiol is usually only measured via blood and urine samples, but this new patch only needs a little sweat.

The ESTCube-2 is set to launch this weekend.

Giraffes, leopards, elephants, and rhinoceroses all were more scared of human voices than lion roars.

Sinking carbon into stone might not be as permanent as we'd hope.

The Pentagon is looking for new ways to handle mass casualty events, and hopes that modern tech can help save more lives.

The pandemic brought attention to an overlooked condition. But researchers are still fighting to show smell matters.

A combination of ultra-thin sensors marks the first step in machines being able to mimic our tastes.

Make your approval way more evident with animated reactions.

Here's how scientists are using this tech on animal research.

It's been observed in at least 51 species of non-human primates.

Two out of five amphibians are currently threatened with extinction.

Search-and-rescue operations could one day feature a fleet of frog-bots to help save the day.

Quantum dots can be found in modern computers, televisions, LED lights, and more.

Researchers are figuring out the features of these foods that harm our health — and proposing ways ahead.

The unique 'voice prints' could help the chatty birds pick one another out in a flock, according to new research.

The component is for a Virginia-class sub called the Oklahoma.

First introduced to combat invasive wild boars, experts now believe the robo-wolf could deter wandering black and brown bears.

Loitering in orbit just got a lot pricier.

The 'terrible lizards' can reign supreme in the movies, but there's something seriously wrong about the way we've hyped up their history.