Read the latest articles from Popular Science (Page 649)

thermometer and masks
COVID-19

Why no one knows if you can catch COVID-19 twice

More evidence is needed to determine whether people who recover from the novel coronavirus are vulnerable to reinfection.

Popular Science
Science

Welcome to the New PopSci.com

PopSci.com has the beta on the latest technologies... and now we're proud to introduce a beta version of our redesigned Web site, too! Here's a guide to all the new features

a work surface made of MDF that fits on top of saw horses
Projects

Build a semi-permanent work surface you can put away easily

It’ll fit snugly on top of your saw horses and then snugly against the wall when you’re done.

masks
COVID-19

One way to slow the spread of COVID-19? Stop talking. Seriously.

Here’s everything you need to know this week.

cloth masks
Vaccines

The Sturgis Motorcycle Rally may account for 19 percent of US COVID-19 cases in August

Here’s everything you need to know this week.

masks.
COVID-19

The racial disparities in COVID cases are even more striking than we thought

Here’s everything you need to know this week.

a turkey dinner on a plate
Food Safety

How to cook and eat a turkey without dying

First things first: Don’t rinse that bird.

vials of blood
COVID-19

All the pros—and cons—of convalescent plasma therapy for COVID-19

The treatment has been around for about a century, and hasn’t really gotten any better with age.

face mask and gloves
COVID-19

One in three young people could face serious symptoms from coronavirus

Here’s everything you need to know this week.

a man lying on the beach
Health

You can get all the benefits of butthole sunning without taking your clothes off

Don’t go mooning the sun just yet.

a man wearing sunglasses while holding cash money in his mouth
Tech Hacks

The apps and sites you’ll need to rent out everything you own

You spent money buying that stuff, now you can earn that cash back.

bullet journal
Life Skills

One notebook could replace all the productivity apps that have failed you

A nerd’s guide to bullet journaling

a cat in a box
Cats

Cats love sitting in boxes so much they’ll even sit in fake ones

"If I fits, I sits," but make it science.

hand holding phone screen showing Apple Maps
Tech Hacks

14 tricks to get more out of the underrated Apple Maps app

Never get lost again.

A cave.
Biology

Millennium- old poop reveals the surprising diversity of our ancestors’ microbiomes

Recovering ancient microbiomes could lead to health remedies in the future.

cat meowing
Life Skills

Declawing cats is harmful. Do this instead.

Research shows it’s bad for your cat—and for you.

The Cottonmouth amphibious vehicle could carry Marines into future battles
Military

The Cottonmouth amphibious vehicle could carry Marines into future battles

The Marine Corps needs a new Light Armored Vehicle, and this could be their venomous new ride.

The US joined the push to waive COVID-19 vaccine patents. Will it actually help?
Vaccines

The US joined the push to waive COVID-19 vaccine patents. Will it actually help?

Critics say the move won’t help spread lifesaving shots around the globe

It’s not just methane—meat production fills the air with noxious particulate matter too
Pollution

It’s not just methane—meat production fills the air with noxious particulate matter too

There's more than just cow burps to worry about.

popsci-phone-stethoscope
Health

The pandemic could be a long-awaited turning point for telemedicine

100 years ago, doctors sent a heartbeat over a phone line, but devices enabling remote care may have finally found their moment