Read the latest articles from Popular Science (Page 728)

Mario Lego
Technology

This new Lego set brings classic Super Mario games into the real world

several police officers standing in a road holding weapons
Psychology

Can implicit bias training help cops overcome racism?

Schooling police on how to push past prejudice won’t make disparities disappear, but some experts say it’s a necessary step.

iPhone with Spotify
Tech Hacks

Eight ways to cut down on your monthly subscriptions

Subscribe, unsubscribe, re-subscribe, repeat.

ancient ancestor of the modern crocodile, which walked on two feet.
Animals

Crocodiles’ ancient ancestors may have walked on two legs

Footprints in South Korea show a distinctive bipedal gait.

drugs generic
COVID-19

Scientists are working on at least 135 different coronavirus vaccines

Here’s everything you need to know about the pandemic this week.

Planning to hit the road and bunking at a hotel or Airbnb while you travel? You'll want to take certain precautions.
COVID-19

Tips for staying in campgrounds, hotels, and rentals in the time of COVID-19

Even though you need a vacation, the virus isn’t taking one.

fruits vegetables scattered on white marble
Cancer

The latest guidance on how to prevent cancer

What the American Cancer Society says about what to eat and do to stay healthy.

A knife shaving bamboo shoots.
Life Skills

Eight survival knife skills you might need in an emergency

Blades aren’t just for cutting.

people at a protest for black lives matter
Health

Collecting missing demographic data is the first step to fighting racism in healthcare

Ensuring that racial and ethnic data is included in CDC and local health agency reports is crucial to solving public health issues.

Person holding a bread-and-butter pickle sandwich
Projects

The history and mystery of America’s long-lost pickle sandwich

In which one writer seeks to understand the Depression-era (maybe?) staple.

Your brain won’t let you see all 12 dots in this image
Science

Your brain won’t let you see all 12 dots in this image

Our entire visual field is not made the same.

A woman working from home on the floor.
Health

Working from home can ravage your spine, but good posture can help fix it

You’re quarantining to stay healthy—don’t let your posture sabotage that.

Black Lives Matters protests have continue from Memorial Day through mid-June.
COVID-19

What you need to know to protest safely and securely

From applying first aid to keeping your text messages from being read.

Someone holding a cellphone and wearing a mask
COVID-19

All the info you need to refute 5G conspiracy theories

First things first, it doesn’t give you COVID-19.

Medical physicist Joanna Harper
Biology

The science behind sex, gender, and athletic competition is still pretty shaky

Joanna Harper’s work has catapulted her into a century-long debate about who gets to play women’s sports.

Police spraying pepper spray
Projects

How to handle a pepper spray attack

Everything you need to know about a protest’s most unwanted guest.

An artists interpretation of a telescope receiving radio bursts from deep space.
Deep Space

Astronomers spot repeating radio burst patterns from deep space

Fast Radio Bursts may flash with some rhyme and reason.

police body camera
Military

Police body cameras were supposed to build trust. So far, they haven’t.

Here’s what the research reveals about the controversial cop technology.

the new zealand flag on a flagpole against a blue sky
COVID-19

What we can learn from New Zealand’s successful fight against COVID-19

The island nation knows COVID-19 will likely return—but it’s prepared.

Solar panels
Fossil Fuels

The US could shift to 90-percent renewable energy by 2035 at no extra cost

A new report shows dramatic benefits for the environment, economy, and public health.