Read the latest articles from Popular Science (Page 669)

jump rope
COVID-19

Jumping rope is an unbeatable cardio workout—if you do it correctly

The exercise is freakin’ hard, but a thrilling activity regardless of where you live.

popsci-spring-2021-calm
Announcements

Welcome to the new digital edition of Popular Science

The Calm issue—and a revamped digital look—await.

Hand holding Google Pixel phone
Tech Hacks

24 hidden Android settings you should know about

Master your Android phone.

couple walks along boardwalk
Vaccines

The CDC is set to update its outdoor mask guidance

Here's what you need to know this week.

Electric vehicle fires are rare, but challenging to extinguish
Electric Vehicles

Electric vehicle fires are rare, but challenging to extinguish

The intense blazes can be exceedingly hard for fire departments to snuff out. Here's why.

An illustration of a person with footsteps
Fitness & Exercise

Why 10,000 steps a day isn’t the secret to better health

This epidemiologist proved 10,000 steps is a lie.

mendenhall-glacier
Global Warming

We can avoid the worst effects of climate change, but we’re still in for a fight

We may still be able to reverse some of the major effects if we cross the crucial threshold.

Toyota and Subaru are teaming up for this spacious electric SUV concept
Electric Vehicles

Toyota and Subaru are teaming up for this spacious electric SUV concept

It's called the bZ4X, and it could even have a yoke-style steering wheel.

5 signs your laptop is in trouble
Tech Hacks

5 signs your laptop is in trouble

Keep an eye out for these red flags.

Crushed single-use plastic water bottle in hand.
Sustainability

Adding enzymes to bioplastics can make them disappear

New research shows there may be a way to make easily biodegradable single-use plastics.

Apple AirTag on keys
Security

Apple AirTag has built-in anti-stalking tech

The tiny AirTag has ways to tell people when an unknown tracker is traveling along with them.

person getting a covid-19 vaccine
Vaccines

The CDC recommends that the Johnson & Johnson COVID vaccine resume

The vaccine will come with a warning about a minor risk of blood clots, but officials determined the shot was safe to continue.

A soldier looks at a gun sight.
Army

The Army is giving its gun sights a seriously high-tech upgrade

The system includes a laser rangefinder, computer, and high-def camera.

A closeup of a mosquito
Vaccines

Scientists have created the most effective malaria vaccine of all time

The new malaria vaccine is 77 percent effective in young children.

Person sleeping under weighted blanket
Projects

Make your own custom weighted blanket for the ultimate sleep

Boost your sleep by making yourself a hug.

young person gets vaccine
Vaccines

Regular childhood vaccinations dipped during COVID, opening a door for measles outbreaks

Whether due to lost insurance or fear of visiting the doctor, fewer parents got their kids their normal vaccinations.

A person standing outside bear a concrete wall, holding their phone with a coffee nearby.
Tech Hacks

How to save any file to your phone so you have it when you need it

Keep more of your files with you at all times.

A brewing storm with dark clouds and a lighthouse in Michigan.
Global Warming

The average hurricane season is officially more intense

The oceans are warming and the hurricanes are coming.

Local honey might help your allergies—but only if you believe it will
Bees

Local honey might help your allergies—but only if you believe it will

Eating allergens seems like it should reduce sneezes. In practice? Not so much.

A F/A-18 Super Hornet is refueled the traditional way: by an aircraft with humans on board.
Navy

This drone will refuel Naval fighter jets by 2024

The MQ-25A Stingray will take off and land from aircraft carriers and is critical to the Navy's future vision.