Read the latest articles from Popular Science (Page 556)

An artist's conception of the CAPSTONE satellite.
Moons

This tiny, trailblazing satellite is taking on a big moon mission

If CAPSTONE's goals are successful, much larger lunar orbiters could follow.

A locked iPhone displaying its lock screen.
Tech Hacks

Smartphone security starts with the lock screen. Here’s how to protect it.

Make sure you're not revealing more than you need to.

Ca. Thiomargarita magnifica filamentous bacteria on black
Wildlife

Ever heard of giant bacteria? This new species is way bigger and weirder.

A newly discovered bacteria challenges the rules of cells, puzzling microbiologists.

There is insufficient evidence that vitamin supplements help prevent cancer or heart disease.
Science

Do you need a daily multivitamin? Probably not, says national health task force.

Exercising and eating well do more for your health than vitamin supplements.

Three jugs of milk on sidewalk.
Agriculture

Heat stress might curdle the dairy industry

Heat is stressing out cattle, which is a problem for farmers and cheese-lovers.

megalodon
Sharks

Could an ancient megashark still lurk in the deep seas?

Monster. Myth. Megalodon.

The best Acer monitors composited
PC Gaming

Best Acer monitors

Great gaming monitors are Acer’s specialty, and these premium screens do not disappoint.

Giant freshwater fish
Fish

This is the largest freshwater fish ever caught

Accidentally hooked by a Cambodian fisherman, the incredible 661-pound catch was weighed, tagged, and released.

gloves, pills, thermometers, masks
Internet

This outbreak simulator predicted the strange twists in our pandemic behavior

Well before COVID, Operation Outbreak started as an educational exercise for teens. What lessons does it hold for us today?

The Craiyon interface, showing a courtroom sketch of a sperm whale vs. a giant squid
Tech Hacks

5 ways to get Craiyon, formerly Dall-E mini, to bend to your will

We call this: strategic weirdness.

The best hearing aids
Audio

Best hearing aids

These medical devices can make a huge difference in a person’s life.

A next-gen tank will be revealed in October. Here’s what we know about it so far.
Army

A next-gen tank will be revealed in October. Here’s what we know about it so far.

The Abrams has been in use for decades, and its successor could have some high-tech changes.

Colorful mantis shrimp with giant eyes that have color vision on black background
Wildlife

Do animals feel pain? Science author Ed Yong says that’s the wrong question.

It's not whether they feel, but how they feel, according to the Pulitzer Prize winner's new book.

an illustration of a robotic sensor that detects if a baseball thrown is a ball or strike. in the background is a purple filtered image of baseball articles and images
Robots

Will baseball ever replace umpires with robots?

The sport has long experimented with robotic umpires to take the guesswork out of calls.

person typing on laptop
Tech Hacks

Where to find, edit, and remove everything your browser knows about you

Stop your browser from autofilling your old address.

The firefly robot made by MIT engineers.
Robots

MIT engineers have created tiny robot lightning bugs

Watch these glowing micro machines take flight.

Vegetables on grocery produce shelf.
Agriculture

Transportation makes up a fifth of all food system carbon emissions

The case for eating local just got a lot more compelling.

FedEx is charging up its electric vehicle fleet
Electric Vehicles

FedEx is charging up its electric vehicle fleet

The company now has 150 BrightDrop EVs on hand in Southern California. Here's why vehicles like these are a good fit for delivery routes.

NASA's Artemis 1 rocket prior to June's wet dress rehearsal.
NASA

NASA finally fully fueled up its Artemis moon rocket

Space agency officials say a recent test was a success, despite a leak.

x-ray of impacted wisdom tooth
Evolution

We finally know why we grow wisdom teeth as adults

Other primates have them too, but ours come in a lot later in life.