Read the latest articles from Popular Science (Page 683)

An Iguana boat perched on the shore.
Military

This fast French military boat can crawl from water to land without wheels

Meet the Iguana, an amphibious craft with deployable caterpillar treads.

Tiktaalik
Evolution

This ancient fish-crocodile mashup snared its prey using a key adaptation

The skill could have made it easier for animals to move from water onto land.

Masha Krasnova-Shavaeva illustration
Mars

How NASA kept its Mars rovers alive long past their expiration dates

Extending Curiosity and Perseverance’s lifespans wasn’t easy. Just ask NASA engineer Matt Keuneke.

Pregnant woman checking phone notifications.
Vaccines

Pregnant people can—and should—get vaccinated against COVID-19

The risks of catching COVID-19 outweigh the risk of an mRNA or viral vector vaccine.

Two people wearing cloth face masks with their arms around each other on a New York City sidewalk on a sunny day.
COVID-19

How to wear a face mask for maximum protection

A good fit means it’s harder for the virus to slip through.

Spot robot opening a door with its new Arm head.
Robots

Boston Dynamics gave its dog-like robot a charging dock and an arm on its head

Spot can now recharge itself and open doors without human help.

Nation's largest public housing project next to a power plant
Fossil Fuels

At New York City’s biggest power plant, a switch to clean energy will help a neighborhood breathe easier

Aging, pollution-spilling equipment clocks its final days at the Ravenswood Generating Station.

The Pigskin Experiment: 3-D Football
Science

The Pigskin Experiment: 3-D Football

The Grouse unveils his take on all three dimensions

Flying the Coal-Fired Skies
Technology

Flying the Coal-Fired Skies

The Air Force has an ambitious plan to wean American aviation off oil. But will the cure be worse than the disease?

eggs
Fitness & Exercise

Here’s how much protein you really need

Athletes do need more protein—but that doesn’t necessarily mean you need supplements.

An orange truck spreading salt on a snowy airport runway
Vehicles

Fish blood could hold the answer to safer de-icing solutions during snowstorms

Natural antifreeze is better for wildlife—and our mechanic bills.

woman wearing mask in subway station
Vaccines

The US finally has a national mask mandate

Here’s everything you need to know this week.

Xiaomi Air Charging wireless charging system base station
Phones

Xiaomi’s long-range wireless charger shows a glimpse of a cord-free future

A base station could beam out power, which means no more plugging in your device or even plunking it on a charging pad.

A white Pomeranian on a snowy ledge with its tongue stuck out
Ask Us Anything

Is it safe to eat snow?

You’ll want to avoid some ‘flavors.’

Masha Krasnova-Shavaeva illustration
Evolution

How humans have adapted to the harshest environments

From the tallest peaks to the deepest seas, one medical researcher is studying communities on the edge of survival.

Wingman
Technology

Wingman

What kind of lunatic straps jet engines to his back and leaps out of an airplane? The kind of lunatic who may well deliver the personal flying machine of our dreams, that’s what kind. Eric Hagerman reports on a revolutionary Channel crossing

jeffrey zients
COVID-19

The new COVID-19 team has a lot of work to do. Here’s how they should start.

They’re inheriting a mess, but they can turn this ship around.

a healthcare worker wearing a surgical mask
Vaccines

What you can do right now to protect yourself from the new COVID-19 variants

Staying vigilant during this crucial time is key.

A person with dark brown skin tanning on a dock on a lake
Cancer

The heated debate over skin cancer screenings, explained

A new paper calls for a halt to skin cancer screenings in the general population. Some physicians vehemently disagree.

Glenn Orzepowski illustration
Insects

Brain size isn’t everything

The animal kingdom provides some prime examples.