Read the latest articles from Popular Science (Page 720)

bats
COVID-19

The virus that causes COVID-19 has been silently brewing in bats for decades

The viral lineage leading to SARS-CoV-2 has likely been around for the past 40 to 70 years in bats.

two older people sitting in chairs
Climate Change

Nursing homes aren’t equipped to provide life-saving A/C in the event of a power outage

Hurricane season is a huge risk for many facilities that care for the elderly.

Checking mail on phone
Tech Hacks

10 email alerts you’ll actually want in your inbox

The exact opposite of spam.

In this illustration, NASA's Mars 2020 rover uses its drill to core a rock sample on Mars.
Mars

Watch NASA launch its next rover to Mars

It's the third Mars-bound launch this summer—China and the UAE sent probes earlier in July.

To-go food containers.
COVID-19

The safest way to eat at your favorite restaurant during the pandemic

All hail takeout.

flu vaccine
Vaccines

Vaccines for flu and pneumonia could reduce your chances of getting Alzheimer’s

People who received at least one flu shot were 17 percent less likely to develop Alzheimer's disease.

Tech congressional hearing
Social Media

Let’s watch some of the world’s biggest tech CEOs speak in front of Congress

CEOs from Facebook, Amazon, Apple, and Google will face a barrage of questions about transparency and competition.

an end table with wireless charging built into it
Projects

Build a wireless charger right into a table

You'll feel like a woodworking wizard.

Klamath River
Environment

They tried to tame the Klamath River. They filled it with toxic algae instead.

A century of development has fueled harmful blooms along the Klamath River in northern California. Now, the native Karuk tribe and its allies are trying to undo the damage.

Beetle with camera on back.
Insects

Scientists strapped tiny cameras to beetles to get a bug’s-eye view of the world

Feather-light cameras can show us what your backyard looks like from a new perspective.

A sockeye salmon in very shallow water.
Environment

Local opposition to Alaska’s Pebble Mine grows as the project reaches the next milestone

More than 60 percent of Alaskans oppose the proposal, which would develop an area known for the largest sockeye salmon run in the world.

antibiotics
Medicine

Antibiotics could replace surgery for some kids with appendicitis

For certain groups, taking a course of antibiotics for appendicitis can be just as effective as surgery.

httpswww.fieldandstream.comsitesfieldandstream.comfilesimages201805cajun-style-fried-catfish-poboy.jpg
Projects

Eight great sandwiches to make with your wild game and fish

Loaded with venison, hog, fish, and more, these are the best things in sliced bread.

Trans pride eye makeup
Health

Exploring the common misconceptions regarding trans and non-binary identities

Eight reasons why anti-trans rants are unscientific.

Patients take part in a hyperbaric oxygen therapy trial in Israel.
Health

Inhaling pure oxygen could keep your brain younger for longer

A (pricey) breath of fresh air for anti-aging research.

A protester in Portland getting arrested by the city's police department
Drones

Police can surveil protests from participants’ pockets and homes

Technology is never neutral.

Pink face masks.
Vaccines

Moderna’s coronavirus vaccine has started a nationwide, Phase 3 trial

The CDC also updated its guidelines for how long people must self-isolate after testing positive for COVID-19.

bowling ball interior
Physics

The insides of pro bowling balls will make your head spin

They're way cooler than the ones at your local alley.

sharks in the ocean
Endangered Species

Reef sharks around the world are in trouble

Sharks were absent from nearly 20 percent of coral reefs in a global survey.

Person taking picture with smartphone
Tech Hacks

Edit gorgeous photos right on your phone

Step aside Juno and Valencia—we're doing some real editing here.