Read the latest articles from Popular Science (Page 69)

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.

Yeti Hondo beach chair on a beach
Outdoor Gear

Yeti Hondo Beach Chair review: The best camping chair for bigger bodies

If you're serious about sitting outside, this super-sturdy chair is a solid investment. It's built tough and easy to transport.

bearded man with sensors on face
Health

Electronic face tattoo knows when you’re getting bored 

Stretchy sensors can tell when someone is dipping out of peak mental performance.

A painting scene of people suffering from the bubonic plague in the 15th century from the Toggenberg Bible.
Diseases

How the bubonic plague has survived for centuries

Scientists pinpoint a single gene.

a turtle with a large hole in its shell
Wildlife

Turtle’s mysterious injury caused by a golf ball

The golf ball barely missed the painted turtle's spine and vital organs.

a woman browsing a sunscreen aisle in a grocery store
Cancer

Mineral vs. chemical sunscreen: What’s best for protecting your skin?

Both are effective when used correctly, but work differently.

A female oceanic whitetip shark seen feeding on the carcass.
Sharks

Sharks surprise scientists by sharing a meal

The tiger sharks and oceanic whitetips did not exhibit any aggression towards each other as they scavenged.

a pygmy hippo shows teeth in seemingly happy way
Endangered Species

This 51-year-old pygmy hippo just set a world record

Hannah Shirley was rescued from a California residence in 2002.