Read the latest articles from Popular Science (Page 310)

A lioness bears her teeth. Mammals in a new study were twice as likely to abandon a waterhole when hearing human voices than the sounds of a lion.
Wildlife

Humans are now the African savannah’s top predator

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

Exposed sedimentary rock on a mountain slope. High erosion in southern France exposes these sedimentary rocks to weathering, releasing carbon dioxide as the ancient organic carbon breaks down.
Climate Change

Rocks may be able to release carbon dioxide as well as store it

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

mass-casualty triage occurring via different technologies
DARPA

DARPA wants to modernize how first responders do triage during disasters

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

The study of smell loss still struggles for support
COVID-19

The study of smell loss still struggles for support

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

Electronic artificial tongue sensor
AI

An ‘electronic tongue’ could help robots taste food like humans

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

Animated hand gestures on FaceTime
Tech Hacks

Hand gesture reactions are one of macOS Sonoma’s coolest new features

Make your approval way more evident with animated reactions.

greylag goose
Technology

Do all geese look the same to you? Not to this facial recognition software.

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

Two chimpanzees share a meal. A new study found that same-sex sexual behavior helps establish and maintain positive social relationships in animals including chimpanzees, bighorn sheep, lions, and wolves.
Wildlife

Mammals may use same-sex sexual behavior for conflict resolution, bonding, and more

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

The Morona-Santiago stubfoot toad (Atelopus halihelos) in Ecuador is listed as critically endangered.
Endangered Species

How we can help the most endangered class of animals survive climate change

Two out of five amphibians are currently threatened with extinction.

Four legged robot inspired by frog
Wildlife

This robot trio mimics the life cycle of a frog

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

Moungi Bawendi, Louis Brus, and Alexei Ekimov will share the 2023 Nobel prize in chemistry.
Space

Discoverers of colorful quantum dot nanotech win 2023 Nobel Prize in chemistry

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

What can we do about ultraprocessed foods?
Nutrition

What can we do about ultraprocessed foods?

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

A green monk parakeet standing in dirt. Parrots could have a unique tone of voice just like humans do.
Birds

No two parakeets sound exactly the same

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

nuclear submarine
Navy

Shipbuilders 3D-printed a part for a nuclear submarine

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

Animal deterring robotic wolf sentry
Robots

Robotic ‘Super Monster Wolves’ are guarding Japanese towns against bears

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

Illustration of trackable objects orbiting Earth
Technology

The FCC just dished out their first space junk fine

Loitering in orbit just got a lot pricier.

T. rex model, T. rex skull, and Triceratops skull at dinosaur display in the Museum of Natural History in Vienna
Evolution

4 reasons dinosaurs never really ruled the Earth

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

A purplish spiral galaxy with red and yellow space objects.
Deep Space

JWST takes a jab at the mystery of the universe’s expansion rate

The powerful space telescope's precise measurements confirm we have a problem.

Smart lights synced to a monitor screen
Tech Hacks

2 ways to sync your Philips Hue smart lights to movies, games, and music

Create a dazzling light show for your favorite content.

Artist conception of early starbursting galaxies. The image is rendered from FIRE simulation data used for this research that can explain recent JWST results. Stars and galaxies are shown in the bright white points of light, while the more diffuse dark matter and gas are shown in purples and reds.
Space Telescope

Bursting stars could explain why it was so bright after the big bang

Intense flashes of light may explain why early galaxies imaged by the James Webb Space Telescope are so dazzling.