Read the latest articles from Popular Science (Page 102)

An Egyptian artifact with flecks of Egyptian dye being examined by researcher
Archaeology

Scientists recreate lost recipes for a 5,000-year-old Egyptian blue dye

The oldest synthetic pigment in human history comes in a variety of hues.

Screenshot of small orb rolling vertically down glass surface
Physics

Vertically rolling ball ‘challenges our basic understanding of physics’

The lab-built orb can roll down a 90-degree surface.

An illustration of what would happen if the Milky Way and Andromeda galaxies collide.
Solar System

Milky Way and Andromeda galaxies may not collide after all

The ‘Milkomeda’ merger would be a catastrophic cosmic bumper car situation

The Comedy Wildlife Photography Awards 2025 Mark Meth-Cohn MILNTHORPE United Kingdom Title: Aaaaaww Mum! Description: Caring Gorilla mum giving her infant a big sloppy kiss! Animal: Gorilla Location of shot: Rwanda
Wildlife

10 delightful images from the 2025 Comedy Wildlife Photography Awards

Flying penguins? Nah, just a polar plunge.

a smart watch and phone illuminate as a woman is sleeping
Health

Can tracking make my sleep worse? The quiet torment of sleep tech.

Constantly striving for that perfect sleep score can backfire.

Silver laptop against blue background
Tech Hacks

How to set up an Apple legacy contact, in case you die

Make sure Apple knows who you trust.

These fossilized foraminiferan shells, dating back 35 to 45 million years, were found in Tanzania. They all belong to species that are now extinct. The largest are about half a millimeter in diameter.
Ocean

The history of the ocean, as told by tiny beautiful fossils

Bountiful remains of foraminifera reveal how organisms responded to climate disturbances of the past. They can help predict the future, too.

laptop with Hulu open
Tech Hacks

How to reset your terrible streaming recommendations

Not happy with your Netflix, Hulu, or Disney Plus recommendations? Start from scratch.

a large blue star with radiant points
Space

June skygazing: A strawberry moon, the summer solstice… and Asteroid Day!

115 years ago, an asteroid flattened a remote area of Siberia.

Bionic cat is on display during 2023 World Robot Conference at Beijing Etrong International Exhibition & Convention Center on August 16, 2023 in Beijing, China. (Photo by Tian Yuhao/China News Service/VCG via Getty Images)
Robots

I bought a robot cat for my rabbit — and fell into the weird world of animal-robot research

What began as a TikTok experiment with my rabbit led me into a strange world of cyborg cockroaches, imposter fish, and the ethics of care.

Portrait of a 5 month old baby girl
Ask Us Anything

Why do babies’ eyes change color? Sunlight, genetics, and more.

Several genetic markers contribute to our final shade.

circa 1942: A U.S. Air Force B-17 'Flying Fortress' bomber flies through the sky, World War II. The aircraft was used extensively in Allied air raids, such as those against Hamburg and Dresden, and battles against German aircraft. (Photo by R. Gates/Hulton Archive/Getty Images)
Aviation

Illinois man has spent 40 years rebuilding a WWII-era B-17 bomber

This restoration isn't just for show. Mike Kellner wants to fly the 'Desert Rat.'

white fava beans
Nutrition

Why fava beans taste gross (and how scientists want to fix them)

The protein-packed legume could play a central role in plant-based diets.

Dyson vacuums on a white background on sale at Walmart
Home

Walmart is blowing out Dyson vacuums as low as $199 during this flash sale

Now is your chance to grab some of the most powerful consumer vacuums on the market and potentially save hundreds doing it.

a small frog on a road, with a person's bright sneakers in the background
Land

Wildlife underpass reduces squished amphibians by 80%

‘I knew that underpasses would work, but I didn’t think they would be that effective.’

Photogrammetric reconstruction of the submarine USS F-1 on the seafloor west of San Diego, California.
Military

108-year-old submarine wreck seen in stunning detail in new footage

USS F-1's sinking was the Navy's first wartime submarine loss.

Hand holds Vintage photograph of boy on tricycle at christmas
Mental Health

Why we forget our childhoods

Childhood amnesia makes the memories formed before age 7 a blur.

A harbor seal viewing a simulation of the seabed rushing beneath him, with a red ball target either side of his head to touch, to indicate which direction he appeared to be moving in.
Wildlife

Seals playing a video game reveal how they find their way

Small particles in the water can make a big difference.

The DJI Mini 2 drone in flight
Cameras

The DJI Mini 4K drone will probably never be this cheap again

This full-fledged 4K content creation machine is just light enough that it doesn't require registration with the FAA before flight.

A wildfire frontline with emergency services nearby, Okanagan Valley, British Columbia, Canada.
Climate Change

Are we in a sixth mass extinction?

We’re in a biodiversity crisis, but it's tough to compare it to past periods of mass death.