Read the latest articles from Popular Science (Page 121)

a gloved hand hold circular hydrogel
Health

3D-printed ‘skin’ could make testing cosmetics on animals obsolete

Researchers made a bioengineered hydrogel composite filled with living human cells.

three men work on planting a tree
Agriculture

A tree with 40 different fruits planted in Philadelphia

Move over, Liberty Bell.

A collage of three images showing the black expanse of space. Two-thirds of the collage is taken up by the black background sprinkled with small, blurry galaxies in orange, blue, and white. There are two images in a column at the right side of the collage. On the right side of the main image, not far from the top, a very faint dot is outlined with a white square. At the right, there are two zoomed in views of this area. The top box is labeled NIRCam and shows a fuzzy dot at the center of the inset. The bottom box is labeled MIRI and shows a fuzzy pinkish dot.
Space Telescope

JWST snaps first image of asteroid that threatened Earth

2024 Y4 almost certainly won't hit us, but there's still a slight chance of a lunar impact.

an illustration of several mouths talking
Psychology

How to talk for a very, very long time

After Senator Cory Booker's record-breaking speech, a voice actor, speech-language pathologist, and physician weigh in.

a jet sitting with smoke in front of american flag
Air Force

How a new wave of fighter jets could transform aerial combat

A new fighter aircraft called the F-47 will be made by Boeing for the US.

Medieval copy of Canterbury Tales
Archaeology

A surprising number of medieval scribes were women

New research estimates around 8,000 of those manuscripts could still exist today.

a device on the top of the head with hands holding it
AI

Brain implant helps woman with paralysis speak with her own voice again

The new method decodes brain signals while simultaneously feeding them through a text-to-speech AI model.

Close up of hand excavating ancient amphibian fossil
Dinosaurs

Ancient alligator-sized amphibians died under mysterious circumstances

‘It probably spent most, if not all, of its life in the water eating… anything unfortunate enough to venture too far into the water.'

An illustration showing how the brain and gut are connected.
Food Safety

The brain remembers what gave you food poisoning

Grape Kool-Aid helps show how one meal can create lasting food avoidance in mice.

close up of finger balancing a grain of rice next to tiny pacemaker for size comparison
Heart Disease

World’s smallest pacemaker is the size of a grain of rice

Designed for infants, the dissolvable device is powered by light.

an adult eagle tends to two chicks on a nest
Birds

Jackie and Shadow’s eaglets officially named: Meet Sunny and Gizmo

A live cam detailing the daily lives of these bald eagles has captivated thousands of viewers.

video game people in line
Technology

I made a video game of “The Artist Is Present.” Marina Abramović couldn’t sit through it.

What seemed at first like a simple game about waiting turned into a study in design focused on time, endurance, and audience experience.

Philips B8905 soundbars and subwoofers arranged in a pattern on sale at walmart
Speakers

Grab this $449 Philips soundbar with Dolby Atmos for just $98 on clearance at Walmart

This 600W system comes with its own wireless subwoofer and a center channel that makes voices easier to hear as you're watching content.

Top down photo of stone grave site
Archaeology

Sacrificed teens discovered in ancient Mesopotamian burial site

The find may complicate our understanding of ancient societal hierarchies.

Kaenon Truckee glasses in a pattern on a plain background as the best sunglasses for seniors
Outdoor Gear

The best sunglasses for seniors in 2025, according to experts

Upgrade your eyewear with these top-rated sunglasses that offer comfort, protection, and style for seniors.

several lightning strikes in the distance. a man crouches down in a squatting position with his hands over his ears. a red circle with a line through it is over the image, indicating that this is not what to do during lightning
Weather

Actually, it’s not safe to crouch during a lightning storm

‘When thunder roars, go indoors.’

Lexar ssd drives arranged in a row on sale at Amazon
Peripherals

This $179 2TB Lexar portable SSD is just $108 right now at Amazon

This sweeping Lexar sale also includes rugged SSDs, memory cards, and even jump drives. The discounts go up to 50 percent.

A low-polygon human brain dissolves from top to bottom, visually representing the progression of memory loss
Diseases

How an unusual medical procedure transmitted Alzheimer’s

It took decades to notice.

Concept art depicting a portion of the Future Circular Collider particle accelerator
Particle Physics

The atom-smashing Large Hadron Collider’s successor will be 56 miles wide

No, it is not the Larger Hadron Collider. It's the Future Circular Collider.

Children and seniors using digital devices
Health

Why e-ink is better for reading than your phone or tablet

If you're reading outside on a sunny day, grab a Kindle instead of your iPad.