Read the latest articles from Popular Science (Page 770)

satellite streaks of light in a German sky
Space X

SpaceX’s cheap internet could cost us the night sky

Reusable rockets make launching satellites affordable, but they could brighten our skies to a fault.

Closeup to macbook keyboard
Tech Hacks

Stay safer online by leveling up your cybersecurity vocabulary

There will be a test. (There won’t, but you’ll be smarter.)

Three fish crows attacking a red-tailed hawk
Ask Us Anything

Why are crows and ravens such jerks?

The truth behind these bold, brash, and bullying birds.

a cheese board with different cheeses of different shapes
Life Skills

There’s a better way to cut the cheese

Thou shalt not sin against cheese.

high risk buildings in Jakarta, Indonesia in front of golden sun
Climate Change

These maps show how many people will lose their homes to rising seas—and it’s worse than we thought

New elevation data triples the people at risk.

James Dean Rebel Without a Cause
Technology

The controversial tech driving James Dean’s return to the big screen

The studio bringing James Dean back for a new film suspects you’ll see a lot more digital actors going forward.

Close up of a man inhaling from an electronic cigarette
Health

Vaping harms more than just your lungs

New research shows cardiovascular health is also at risk.

Arctic blast forming over the US.
Climate Change

An Arctic blast is headed our way this week, and it’s earlier than usual

Hide your kids, hide your plants, hide your pets—or at least bundle them up.

Person sleeping peacefully on an airplane.
Aviation

Choose the best seat on any airplane

Plane seat roulette? No, thanks.

a hand wearing blue gloves holds two vials of blood
Diseases

This ‘new’ strain of HIV is actually a good thing

And it isn’t even new.

Female veteran
Mental Health

Veteran demand for mental healthcare is rising, but the VA isn’t prepared

New laws and technologies look to change the culture of scarcity that pervades the Department of Veterans Affairs.

Antietam National Battlefield
Wildlife

Countries can salvage places scarred by the horrors of war

Battlefields around the world are being transformed into parks and refuges.

With three dead and hundreds sick, the CDC just issued a warning against all vaping
Health

With three dead and hundreds sick, the CDC just issued a warning against all vaping

Vitamin E acetate is one potential culprit, but it’s too soon to say for certain.

A vulture perched in a tree.
Birds

Vultures are going extinct because people won’t stop consuming their brains

The wildlife trade for traditional medicine is driving some South African species to extinction—but it’s still a drop in the bucket in terms of larger environmental destruction.

Burger on black background.
Science

From mutton to masterpiece: The juicy history of the hamburger

The origin story of one of America’s favorite meals.

a lineup of vape pens and e-cigarettes
Health

Juul is pulling teens’ favorite flavor off shelves

A recent study highlighted mint as a popular pod.

gynecological stirrups
Health

‘Virginity tests’ are violent, unnecessary, and without medical merit

There are much better ways to support teen health and safety than hymen checks and two-finger tests.

an otter
Animals

Arctic critters are sneezing on each other like never before

Less ice means more places to swim—and share germs.

Soldiers exercising in a gymnasium
Nutrition

Much of what we know about high-protein diets is based on outdated, flawed data

Western scientists starved animals and fed soldiers junk food to crunch the math on how much meat humans require.

hand holding a phone showing Slack on the screen
Tech Hacks

Seven quick tricks to do more with Slack

Y’all, got some tips @here.