Read the latest articles from Popular Science (Page 577)

Beautiful porch with screened doors and plants as a way to keep cool without ac
Life Skills

5 ways to stay cool without blasting the AC

Chill out without letting the electricity bill spike like the temperature.

How to make your own laundry detergent
Projects

How to make your own laundry detergent

It’s cheap, easy, and quick. Did we mention cheap?

Trays of basil under purple UV lights at a vertical farm
Agriculture

Vertical farms are finally branching out

By experimenting with more efficient lighting, vertical farmers are also finding that they can sustain new crops.

A person using a stylus on a tablet to draw an image.
Tech Hacks

Pour all your creativity into digital art with these drawing tools and apps

You don't need paint or Paint to make a masterpiece.

A sun rising over a mountain in Spain.
COVID-19

How to tell when the COVID pandemic is nearing its end

Three numbers for understanding other ways out of a pandemic.

stoplight
Psychology

Polite warnings are surprisingly good at reducing hate speech on social media

NYU researchers tested a set of warnings that involved tagging the accounts using hateful language in their tweets.

A group of six people sitting at a table on a city rooftop, having a meal under cloudy skies and some decorative banners.
Projects

Host an unforgettable meal with science and a personal touch

Even if your food isn't great, dinner can still be memorable.

Young women at a climate protest
Agriculture

Gender equity and climate change are intertwined

COP26 had a devoted 'gender day,' but women are still underrepresented in climate policy discussions.

How to stream music all around your house
Tech Hacks

How to stream music all around your house

Bring the tunes upstairs and downstairs.

Nuclear plant emitting smoke
Climate Change

Biden’s infrastructure act bets big on 3 types of ‘green’ energy tech

The US will spend billions on non-renewable energy sources over the next five years.

Black pug trying to eat dangerous foods for dogs and cats like pie
Pets

5 Thanksgiving foods that can be dangerous for dogs and cats

Hold the turkey skin and fatty gravy—your pet will thank you later.

cinnabar vermilion
Archaeology

These skeletons might be evidence of the oldest known mercury poisonings

Making red pigment from cinnabar may have caused toxic exposures in prehistoric Iberia.

Meta haptic glove demo
Robots

Meta gave a sneak peek of one of its first VR wearables

Seven years in the works, this tech has come a long way but is far from finished.

Your last-minute training guide to dominating this year’s Turkey Trot
Life Skills

Your last-minute training guide to dominating this year’s Turkey Trot

If you haven’t started preparing yet.

5 tips for tracking out-of-stock items this holiday season
Life Skills

5 tips for tracking out-of-stock items this holiday season

Go get them presents.

binary code balancing on a level
AI

Want ethical AI? Hand the keys to middle schoolers.

To zap bias from code, an MIT-developed curriculum teaches ethical concepts to youngsters.

audi headlights on road
Vehicles

Car headlights are getting a much-needed upgrade with the infrastructure act

Cars in the US will get a new update to a small but important feature.

typing on computer
Psychology

Here’s why your brain won’t let you remember new passwords

Multiple experiments in a new study indicate certain kinds of information never enter working memory.

an infrared heat map of butterfly wings
Physics

These infrared images show just how alive butterflies’ wings are

They contain “wing hearts” that pump blood and regulate temperatures.

A person holding a phone over a laptop.
Tech Hacks

Spend less time on your phone with this simple trick

One screen is better than two screens.