Read the latest articles from Popular Science (Page 19)

an illustration of a woman monitoring her body temperature using a sensor in her stomach
Engineering

A berry-sized thermometer measures body temp. But you have to eat it.

The sensor developed at MIT continuously monitors this vital sign from inside the body.

a white piece of cloth from a turn of the century plane next to a letter detailing it
Archaeology

America’s Time Capsule includes fabric from the Wright Brother’s plane, whale bone, poker chips, and more

The time capsule will remain sealed in Philadelphia for 250 years.

Cute cat stuck in a tree waiting for assistance
Cats

What to do if your cat gets stuck in a tree

Take a paws and run through these three solutions from a cat-rescue expert.

a pregnant male sea horse
Ocean

Florida students watch male seahorse give birth in the wild

Male seahorses carry their fertilized eggs in a special pouch on their tails.

an asteroid in the sky with vapor
Space

Sonic booms from meteors can release the energy of hundreds of tons of TNT

Here’s how they work.

a smal, fuzzy spider stands on a leaf with one of its forearms outstretched
Photography

Jumping spiders inspire wildly efficient 3D camera

The arachnids have multiple layers of retinas in each eye.

Holstein cows in the pasture with copy space in blue sky
Agriculture

Cow tipping isn’t real and other myths about farm life

Straw and hay aren't the same thing.

Painting showing three people at a counter getting drinks.
Evolution

Why we crave company

Neuroscientists are discovering that spending time with others may be a basic biological necessity, like need for food or water.

a small wild dog in a forest
Dogs

Mysterious Amazonian ‘ghost dog’ caught on camera

This wild short-eared canine is not your average pup.

Blue Whale swimming in the ocean.
Whales

How blue whales became Earth’s largest creature—ever

Yes, even bigger than the dinosaurs.

movie covers on youtube logo
Tech Hacks

How to find free movies on YouTube

Don't worry; we're talking legal free films.

Vintage printing blocks showing letters and numbers creating a textured background
Evolution

Where did language come from? Nobody really knows, but the theories are fascinating.

Is the Bow-Wow Theory correct? Or maybe it's the Ding-Dong Theory?

a white driverless car with a large black sensor on top on a city street
Self Driving

How can self-driving cars see better? Make their sensors more human.

Human-eye inspired sensors could help autonomous cars handle changes to light.

a horseshoe crab at the water's edge glows blue under UV light
Wildlife

8 captivating photos of Delaware Bay’s annual horseshoe crab spawn

The ancient relationship between the ancient arthropods and shorebirds drives a 9,000-mile journey.

A little boy in a striped shirt holding a sparkler in front of a lakeshore.
Ask Us Anything

Why summer flies by as an adult—but lasted forever when you were 10

Blame your brain's filing system.

A Raccoon walking along the edge of water fishing for food
Wildlife

Raccoons might be spreading diarrhea-causing bacteria in Japan

But it's not all their fault.

a black and white photograph of a japanese freighter ship called the Hōfuku Maru
Archaeology

Long-lost World War II ‘Hellship’ may have finally been found

Over 1,000 Allied servicemen died aboard the 'Hōfuku Maru' in September 1944.

Dinosaur fossils on cloth next to ruler for size reference
Dinosaurs

Rare dinosaur fossils finally returned to Mongolia 20 years after theft

The remains include a rare 70-million-year-old T. rex relative.

a silhouetted man walks by a blazing sun
Engineering

Arizona students design app that calculates least-sweaty walking route

Cool Routes helps users find the coolest paths and reduce exposure to dangerous heat.

A vintage photograph of an aluminum house on a street corner.
Engineering

After WWII, flying saucer-shaped houses almost filled American suburbs

R. Buckminster Fuller envisioned factories churning out 185,000 Dymaxion Houses each year.