Read the latest articles from Popular Science (Page 520)

A photo of steelmaking.
Pollution

Steelmaking is a major source of emissions. These companies are racing to fix it.

The steel industry is testing new technologies that don’t rely on fossil fuels to reduce its carbon imprint.

a French military vehicle
Military

The French military has three beastly new vehicles

They are the Griffon, the Jaguar, and the Serval, and each of them is capable of deploying a smokescreen.

a purple spiral cluster galaxy with a bright center. a white streak points straight up
Black Holes

NASA recorded a black hole’s song, and you can listen to it

NASA scientists have been capturing sounds across the universe, from the screams of black holes to the gassy outbursts of distant stars.

A person typing on a Windows keyboard while holding a clipboard.
Tech Hacks

Windows has a hidden clipboard manager—here’s how to find it

Build an absolute hoard of text snippets and paste them at will.

Marie Maynard Daly
Heart Disease

Biochemist Marie Maynard Daly uncovered what makes us tick

The first Black woman to earn a Ph.D. in chemistry, Daly made contributions to our understanding of the heart and DNA that are now common knowledge.

Water and air pollution on beach
Pollution

Pollution kills 1 in 6 people worldwide

It is time to treat carcinogens, dirty water, and other sources of pollution like a health crisis.

Images from the June 1923 issue of Popular Science featuring Rube Goldberg.
Technology

From the archives: Rube Goldberg machines are serious business

In the June 1923 issue of Popular Science, Rube Goldberg himself writes that he hopes to 'invent something useful.'

three dolphins near the sea floor rub themselves against coral
Animals

Bottlenose dolphins glow-up with coral body scrubs

To keep skin healthy, dolphins will even wait in line for these coral and sea sponge spas.

A photo of an open window, skylight.
COVID-19

How better ventilation can fight the spread of COVID in your home

If you're living with someone who has the virus, better ventilation and other tips will help you avoid the spread.

This laser-armed Stryker vehicle can shoot down drones and mortar rounds
Drones

This laser-armed Stryker vehicle can shoot down drones and mortar rounds

The purpose of the high-energy laser is to provide a defensive weapon against incoming threats. Here's how it all works.

Octopus bimaculoides in tank.
Animals

Octopus mothers often ‘self destruct.’ We might be closer to knowing why.

The dramatic death spiral has long been a mystery.

A lot of logs, rough-sawn wood, and assorted planks stacked up in a barn of some kind.
Life Skills

4 ways to save money on lumber

Sick over high wood prices? These tips can help.

broken windshield
Vehicles

It’s an especially dangerous time to be a pedestrian in America

Traffic fatalities as a whole were up significantly in 2021, and pedestrian deaths alone increased by 13 percent. Here's what's happening on US roads.

Undersea fiber optic cables can be used to sense earthquakes.
Internet

Deep-sea internet cables could help sense distant earthquake rumbles

This underwater technique could shake up seismology.

Surgical tools on blue backdrop.
Climate Change

Can we decarbonize surgical healthcare?

Climate change is a health problem—and it's time for healthcare to change too.

Aerial view of high chimney pipes with grey smoke from coal power plant. Production of electricity with fossil fuel.
Ocean

Greenhouse gases, sea level rise, and ocean acidification all broke records in 2021

A new UN state of the climate report shows the dire need for action.

Images from the May 1962 article in Popular Science about Zeppelins.
Aviation

From the archives: A grand tribute and eulogy for Zeppelins

In the May 1962 issue of Popular Science, we explored this luxurious trend of aviation and its possible end with the Hindenburg disaster.

A photo of a tiger surrounded by foliage.
Animals

Deadly tiger encounters are on the rise in India

India is home to the world’s largest wild tiger population. It's protected by conservation mandates. As their habitats can overlap with humans, conflicts are on the rise.

Photo of Fungi Tremella Mesenterica in a forest
Conservation

Earth would be unrecognizable without fungi

Mycologists urge conservation efforts to include mushrooms, yeasts, and molds.

a blue and gray space capsule on top of a tall rocket positioned on a launch pad
International Space Station

After two failed attempts, Boeing’s Starliner will try again this week to reach the ISS

Boeing’s Starliner spacecraft has yet to make it to the International Space Station, but experts are optimistic about the third test flight.