Read the latest articles from Popular Science (Page 662)

Discord screenshot of the Science and Technology channel
Tech Hacks

Why you should use Discord (even if you’re not a gamer)

Discord started as a way for gamers to communicate, but it has since branched out.

Young person receiving vaccine from healthcare worker while wearing a mask.
Vaccines

COVID-19 vaccines are working in the real world

Here's everything you need to know this week.

A conceptual solar canal.
Renewables

Solar panels and water canals could form a real power couple in California

Solar canals save water, create energy, and protect natural lands all at the same time.

Super Resolution in Photoshop
AI

Photoshop’s new Super Resolution feature makes images bigger, not blurrier

Quadruple the resolution of your photos without crushing the quality.

Brown cow at a mountain farm.
Agriculture

Putting cows on a seaweed diet helps curb their methane burps

Less methane-filled flatulence could make for a more sustainable way to raise livestock.

A COVID-19 rapid antigen test kit being ripped open
COVID-19

Access to at-home COVID-19 tests will soon become way easier

But going to a clinic for a PCR test is still a better option in some cases.

White-tailed deer fawn standing in grass
COVID-19

White-tailed deer test positive for COVID-19 in lab studies

Early data shows they can catch the virus from humans and spread it to each other through fluids.

A monarch butterfly caterpillar.
Global Warming

As the planet warms, tropical plants and animals are moving northward

New research looks at the northward trek of a variety of tropical species in North America.

The METL bike tire on a bike with the sky in the background
NASA

These airless bike tires rely on a metal alloy designed for NASA rovers

The Smart Bike Company's METL tires rely on a NASA-developed alloy material to create an airless tire.

masks
Vaccines

These states are on the cusp of another COVID-19 surge

Now is not the time to let our guards down.

How Google Aims To Dominate Artificial Intelligence
AI

How Google Aims To Dominate Artificial Intelligence

The search giant is making its AI open source so anyone can use it

If The Sun Went Out, How Long Would Life On Earth Survive?
Sun

If The Sun Went Out, How Long Would Life On Earth Survive?

PopSci provides chilling answers to your burning questions

LAPD officers with batons and helmets on the street at night
Technology

A new poll reveals split opinions on how—and when—police body cam footage is released

The public wants the data to be shared immediately. Police chiefs argue otherwise.

syringe
COVID-19

Countries resume use of the AstraZeneca vaccine after new data shows it’s safe

Here’s everything you need to know this week.

cleaning stain on carpet
Life Skills

How to remove stains of any kind

Clean all the stains.

a decapitated slug still alive
Animals

The process sea slugs use to regrow severed body parts is surprisingly common

Studying organisms like the body-regenerating sea slugs can teach us about how plants evolved.

Sound on film
Technology

Why square aspect ratios still live on in new movies like ‘Justice League’

The history of aspect ratios takes some interesting turns.

Person holding phone with avatar generator on screen
Tech Hacks

Turn yourself into an illustrated avatar for free

Who needs a profile pic, really?

people eating drinking at a restaurant
COVID-19

Why people cared less about catching COVID when it mattered most

Risk perception is simultaneously trickier and simpler than you might think.

DIY

How to send self-destructing messages