Read the latest articles from Popular Science (Page 456)

How to build a fire in the wilderness
Life Skills

How to build a fire in the wilderness

Even Doritos and Cheetos can help you out.

Monkeys with close friends have friendlier gut bacteria
Wildlife

Monkeys with close friends have friendlier gut bacteria

Rhesus monkeys who are more social have a higher abundance of beneficial gut bacteria, according to one study.

The best Samsung monitors composited
PC Gaming

Best Samsung monitors

Samsung’s best monitors are a treat for the eyes with impressive 4K image quality and immersive curved displays.

Nine patients with paralysis walking again with aides in various environments after electrode therapy. Black and white.
Medicine

The slow, but promising progress of electrode therapy for paralysis

Of the millions of people with paralysis, only a few dozen have gotten spinal stimulators through experimental trials. But incremental breakthroughs could lead to better access and success.

Dung beetle rolling manure.
Insects

Mother dung beetles are digging deeper nests to escape climate change

Protecting their offspring means keeping them cool beneath the soil.

a small green desert shrub with small yellow buds at the tips
Agriculture

To save water, Arizona farmers are growing guayule for sustainable tires

The natural rubber alternative is becoming a popular drought-tolerant crop.

A DIY laundry drying rack mounted on a wall and in a folded-out position, ready to dry some clothes.
Projects

Build a simple wall-mounted laundry rack to dry your delicates in style

Magnets help this folding DIY contraption stay closed.

What new mining projects could mean for Alaskan salmon
Fossil Fuels

What new mining projects could mean for Alaskan salmon

Active, proposed, and exploratory projects in Alaska and British Columbia may affect key salmon watersheds.

deviant art's dreamup AI generator tool
AI

DeviantArt’s AI image generator aims to give more power to artists

Images created through the program, DreamUp, will be auto-tagged as AI art. But artists can opt out of including their work in the training set for future developments.

At long last, a homecoming for the Fender’s blue butterfly
Insects

At long last, a homecoming for the Fender’s blue butterfly

The revival of rare insect in Oregon illustrates the collaborative nature of survival.

Can software really define a vehicle? Renault and Google are betting on it.
Electric Vehicles

Can software really define a vehicle? Renault and Google are betting on it.

The project involves a cloud-based "digital twin." Here's what that means.

A hohlraum at the Lawrence Livermore National Laboratory.
Particle Physics

Magnets might be the future of nuclear fusion

When shooting lasers at a nuclear fusion target, magnets give you a major energy increase.

In a post-Roe world, contraception failure is riskier than ever
Medicine

In a post-Roe world, contraception failure is riskier than ever

Out of the millions of people that use contraception, hundreds of thousands may have unplanned pregnancies.

a timelapse of batteries discharging and transforming from yellow to dark red in the process
Engineering

How a design tweak could help pacemaker batteries last longer

Researchers at MIT are focusing on squeezing more energy out of non-rechargeable batteries. Here's how.

Pregnant woman with brown hair in a pink hospital gown about to give birth in a bed
Medicine

We don’t really know how many pregnant people are dying in the US

Up to two-thirds of the country's pregnancy-related deaths are preventable. But we need accurate data to provide better maternity care.

Man with neural implant sitting in front of computer screen with text displayed
Technology

New implant helps patient spell out entire sentences using only brain signals

A man who can't physically talk simply needed to think out letters to spell his intended words.

new flex wiring in the cryogenic quantum computer infrastructure
Engineering

IBM’s biggest quantum chip yet could help solve the trickiest math problems

The company figured out how to fit three times more qubits on a quantum computer chip. Here's what's next.

a robot lander covered in orange dust on mars
Mars

Saying goodbye to NASA’s InSight lander before it’s buried in Martian dust

Yet another Mars mission is about to bite the dust.

The WLM galaxy
Space Telescope

New James Webb Space Telescope image shows a secluded galaxy in stellar detail

The lonely dwarf galaxy could teach scientists about the early eras of our own Milky Way.

Smartphone displaying COP27 app logo
Internet

Egypt’s official COP27 summit app may be the ‘cartoon super-villain’ of spyware

Officials say more than 5,000 attendees have downloaded the app requiring unprecedented access to personal data.