Read the latest articles from Popular Science (Page 436)

The CDC has surveyed teens on their health and behavior since the ’90s—but now some states are opting out
Mental Health

The CDC has surveyed teens on their health and behavior since the ’90s—but now some states are opting out

Recent surveys captured important intel on young people's mental health during the pandemic.

A hellbender peers out with its blue eye from a rock
Biology

Hellbender salamanders may look scary, but the real fright is extinction

These giant amphibians have more to fear from us than we do them.

A person using a stylus to cross out the Facebook logo on an iPhone screen.
Tech Hacks

How to banish toxic posts from your social feeds

The internet may be a really bad place right now. But it’s salvageable.

Unraveling the mystery of eel sex
Endangered Species

Unraveling the mystery of eel sex

To save endangered eels, researchers have been working for decades to figure out where they reproduce.

A phone with the Twitter icon on the screen, on top of a closed cardboard box that says "Handle with care."
Tech Hacks

How to download your data from Twitter and other sites

Haven't you always wanted a record of everything you've done online?

hydrogel swimming robot
Robots

Watch this penny-sized soft robot paddle with hydrogel fins

Researchers believe that this robot design can be one day repurposed for applications like biomedical devices.

Mountain lions in Los Angeles face the heat of worsening wildfires
Endangered Species

Mountain lions in Los Angeles face the heat of worsening wildfires

The city’s elusive cougars will do a lot to avoid people, including getting risky with wildfire.

European Union sets goal to block sales of gas-powered cars by 2035
Electric Vehicles

European Union sets goal to block sales of gas-powered cars by 2035

The major step will cut new vehicle emissions by 100 percent by that time.

A young girl stands outside in a winter coat, pink earmuffs, and a blue face mask pulled down over her chin as she sneezes into her hands.
COVID-19

What’s the difference between COVID, flu, and cold symptoms?

You should stay home either way.

French bulldog in orange striped Halloween costume with black cat on its back against purple background
Cats

Should pets wear Halloween costumes? Your furry friend can help you decide.

Joan of Bark and George Washington Catver might not feel as festive on the haunted holiday.

Newborn baby
Science

Highway and traffic pollution could be connected to low birthweight

More than 11 million Americans live within 150 meters of highways, which generate high levels of air and noise pollution.

A man watching YouTube on a tablet while sitting in front of a desktop computer.
Tech Hacks

3 ways to avoid falling down a YouTube rabbit hole

Thou shalt not let Google's video app consume your life.

Earth's magnetic field in a black, red, and white illustration
Physics

Here’s what the Earth’s magnetic field would sound like if we could hear it

Listen to magnetic signals battle with a solar storm.

a star wars action figure
Engineering

How I turned myself into a Star Wars action figure

Hasbro is 3D-printing customized versions of characters like Princess Leia, the Mandalorian, and Iron Man.

Elon Musk completes purchase of Twitter, fires CEO
Social Media

Elon Musk completes purchase of Twitter, fires CEO

His new Twitter bio reads 'Chief Twit,' for what it's worth.

Bellairsia gracilis
Evolution

A Scottish fossil is helping scientists fill the gaps in the lizard family tree

The tiny critter lived in the middle Jurassic period and has a mix of ancestral and modern lizard parts.

Slip of the tongue? It happens to all of us.
Psychology

Slip of the tongue? It happens to all of us.

Speakers of all ages and abilities make speech errors every once in a while.

Mars surface impact crater from meteor strike with water ice captured by NASA instruments
Mars

Two NASA missions combined forces to analyze a new kind of marsquake

Little tremors and wiggles on Mars' surface hold big importance in planetary science.

Argo AI car
AI

A major player in the AV space is hitting the brakes—here’s why

Although it was backed by Ford and Volkswagen, Argo AI's tech could not meet previously laid out timelines and budgets.

A person wearing a blue shirt sitting in front of a silver Apple laptop and typing on it, perhaps changing the permissions on certain apps.
Tech Hacks

Keep tabs on how much access your computer’s apps have to your system

Have you checked your programs' permissions lately?