Read the latest articles from Popular Science (Page 279)

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.

An illustration of Pierre Agostini, Ferenc Krausz, and Anne L´Huillier. The three will share the 2023 Nobel prize in physics.
Physics

Winners of the 2023 Nobel Prize in physics measured electrons by the attosecond

Their groundbreaking research helps generate and measure some of the 'most rapid physical effects known.'

old-style classroom with robot taking shape in front of blackboard with many drawings while man stands at desk
AI

The first AI started a 70-year debate

The Logic Theorist started a discussion that continues today—can a machine be intelligent like us?

Chipotle automated makeline station
AI

Watch Chipotle’s latest robot prototype plunk ingredients into a burrito bowl

Human workers will still have to add the guacamole.

America’s war in Afghanistan devastated the country’s environment in ways that may never be cleaned up
Pollution

America’s war in Afghanistan devastated the country’s environment in ways that may never be cleaned up

Afghans who lived near America’s vast bases say the U.S. military's lack of even minimal environmental protections polluted their land, poisoned their water, and sickened their children.

The best outdoor bug zappers will help keep inspects at bay.
Home

The best outdoor bug zappers

Fight the bite and keep away the insects that would like to bug you with these outdoor bug zappers.

audi car body and battery being assembled in the factory
Electric Vehicles

How Audi designed its densest EV battery yet

The new 'stacking technology' makes better use of physical space per cell, leading to increased capacity.

This fluffy anteater could be a new species
Wildlife

This fluffy anteater could be a new species

Thousands of kilometers from their nearest relatives, these silky anteaters eke out a living in a pocket of mangroves on Brazil’s Atlantic coast.