Read the latest articles from Popular Science (Page 33)

Homo habilis mandible shown with the two tooth pits that were documented and magnified separately.
Evolution

Leopards may have feasted on our earliest ancestors

It took a while for humans to climb the food chain.

Illustration of Joaquinraptor dinosaur with crocodile leg in its mouth
Dinosaurs

2,000-pound megaraptor died while snacking on a crocodile

'Joaquinraptor casali' was one of the Cretaceous Era's last apex predators.

Home Depot portable power station deals
Home

The Home Depot has dozens of portable power stations and solar generators at clearance prices during this fall sale

Save hundreds of dollars on powerful battery backups from Anker, Jackery, Bluetti, and more. Don't let power outages interrupt your streaming.

A high-angle, close-up shot of a person with dark hair and a bright, joyful smile, holding a small dog close to their face. The person's eyes are closed, and the dog, with its eyes also closed, has its mouth open in what looks like a happy, excited expression. The two are embracing in a moment of affection.
Ask Us Anything

Why your dog gets so excited to see you

Memory, scent, and strong bonds fuel the joyous reunions between dogs and their pet parents.

Paper cutout of human brain on pink background, top view. Space for text
AI

How does AI affect how we learn?

A cognitive psychologist explains why you learn when the work is hard.

Keurig coffee machines on sale at AmazonKe
Home

Amazon is blowing out some of the most popular Keurig coffee machines during this early Prime Day deal

If you're going to buy a Keurig, this pre-Prime Day sale is a great time to do it. You can even get an ice coffee maker for the lowest price of the year.

bearded man snuggles grey tabby cat
Cats

What owning a cat does to your brain (and theirs)

If you've met a cat, you know they can be a bit subtle with their love.

Three leopard sharks mating in water
Ocean

First-ever footage of leopard shark sex shows an unexpected trio

“The males lost all their energy and lay immobile on the bottom while the female swam away actively.”

TORONTO, ON - MAY 28: .Norval Morrisseau work on display at the Kinsman Robinson gallery in Yorkville FOR GODDARD story on one of Canada's most mysterious and tragic artists. Photographed at the Delta Chelsea in Toronto on Friday
AI

Startup uses AI to fight art forgeries—with hyper-realistic copies

Art knockoffs generate between $4 and $6 billion annually.

Anax junius In flight over water with sun reflections.
Insects

It’s dragonfly migration season!

Keep an eye out for dragonfly swarms.

Study diagram of ancient Egyptian cow bone whistle
Archaeology

Ancient Egypt’s cemetery police blew bone whistles made from cow toes

The 3,300-year-old artifact was found in the capital of the ‘Heretic King.’

a man hiking on a sunny fall day standing near a grove of trees changing color and a lake
Health

What exactly is the UV Index? A dermatologist explains.

The measurement has nothing to do with how hot it is outside.

an orcar breeches the water as two humans look on
Ocean

14 winning images from the Ocean Photographer of the Year awards

Admire our mighty oceans.

ILLUSTRATION - 21 January 2025, Berlin: Employees of the German Red Cross stand in front of a German Red Cross van with a cool box for an organ donation. (staged scene) Photo: Sebastian Gollnow/dpa (Photo by Sebastian Gollnow/picture alliance via Getty Images)
Medicine

A surgical team was about to harvest this man’s organs — until his doctor intervened

'It was an absolute miracle.'

iphones
Tech Hacks

What every button on your iPhone can do (including hidden features)

Five buttons, so many possibilities.

Ego power chainsaw sawing a log
Home

Shop these early Prime Day deals on powerful Ego battery-powered chainsaws and yard tools

These battery-powered saws are even more powerful than their gas-powered competition. Plus, they're quieter and easier to start.

Pile of fall leaves with fan rake on lawn
Wildlife

The pros and cons of not raking leaves

Your local beetles and chipmunks will thank you for backing away from the rake.

man rides motorcycle in rocky terrain
Motorcycles

Riding the Rockies on the Ducati XDiavel V4

The bike provides impressive ease of use to go with its high performance and visceral engine character.

a small, brown prairie dog popping out of a hole
Land

Tiny prairie dogs’ poop play a mighty role in grasslands

These environmental engineers and grasshoppers turn over more nutrients in the soil than bigger species do

a red panda in a tree
Land

11 adorable photos of red pandas to celebrate International Red Panda Day

There are less than 10,000 of these furry tree-climbers left in the wild.