Read the latest articles from Popular Science (Page 617)

From Bat Ears to Sonar
Technology

From Bat Ears to Sonar

Reverse-engineering bat hearing could lead to better sonar

What Social Psychology Says About Darren Wilson And Michael Brown
Psychology

What Social Psychology Says About Darren Wilson And Michael Brown

What does it mean for a black teen to seem "like a demon"?

The Book of Woe
Psychology

The Trouble With The DSM

With the release of the DSM-5 this month, psychotherapist Gary Greenberg questions whether psychiatry's diagnostic Bible can truly get at the nature of mental suffering.

Nike Flyprint
Technology

Nike hacked a 3D printer to make its new shoe for elite marathon runners

The Flyprint sneakers are built to ditch water and increase airflow for long runs.

Heavy-lifting Russian drones could resupply soldiers on future battlefields
Drones

Heavy-lifting Russian drones could resupply soldiers on future battlefields

The new Checkmate fighter jet may have been the star of a recent arms show, but drones that can carry 2,200 pounds could be crucial parts of war logistics.

two gloved hands hold up a black and white globe with a medical mask stretched over it against a blue background with several red coronaviruses on it
Vaccines

How long will we keep wearing masks?

Simple face coverings saved many lives this past year. They might be here to stay.

Destruction All-Stars
Console Gaming

What is Playstation Now vs. Playstation Plus?

Two Big, Bad Playstation Services enter. But only one service is the right service for you.

A person washing their hands with soap and water spreads soap between their fingers over the basin of a sink.
COVID-19

Why you should recommit to hand-washing to help prevent COVID

With cases on the rise once again, revisiting hand washing and other practices is a necessity.

What is ecocide, and why might it be criminalized worldwide?
Pollution

What is ecocide, and why might it be criminalized worldwide?

Intentionally harming the planet could be discussed in the same international court that tries war crimes.

Tesla supercharging station.
Electric Vehicles

Tesla’s new adapter will let other car companies use its Fast Charging stations

Charging on-the-go is about to get a lot easier for people who drive electric vehicles that aren't from Elon Musk's company.

How bird brains thrived during a mass extinction
Dinosaurs

How bird brains thrived during a mass extinction

The skull of an extinct relative hints it lacked key features of modern bird brains.

Kid in pink bathing suit doing a flip in a lake
Fitness & Exercise

Swimming is the ultimate brain exercise. Here’s why.

It may be the closest thing humans have to a fountain of youth.

Dried grass and flowers in a drought and heat wave
Weather

More than a dozen US states are under a heatwave alert

Soaring temperatures could cause droughts and floods in stressed-out areas.

An artist's depiction of a black hole with an accretion disk, a flat structure of material orbiting the black hole, and a jet of hot gas launching out from the center, called plasma.
Black Holes

One of Einstein’s predictions on black holes has finally been confirmed

The findings reveal more about how light warps around black holes.

Microphone conference calls
Tech Hacks

Tips for better sound better on video conference calls

You won’t need to ask, “can you hear me?” over and over anymore.

Instagram app on a mobile phone.
Social Media

Instagram now lets you manage ‘sensitive content.’ Here’s how to use it.

The new feature, which applies to posts in the 'Explore' tab, raises the old question: what is sensitive content, anyway?

Power grids
Security

The Biden Administration just revealed its plan to stop the next Colonial Pipeline hack

The initiatives are currently voluntary as the federal government seeks collaboration from industries that provide essential services like power, water, and transportation.

A person holding their phone while drinking coffee, possibly deleting text message attachments from their device.
Tech Hacks

Delete message attachments on your phone to free up space

There's no need to uninstall your apps just yet.

pregnant belly with graph representing dropping birth rate
Science

Why birth rates are falling, and why it’s no big deal

Fewer women are having children, and for the most part that's a good thing.

These fossils could represent the oldest animals ever found
Animals

These fossils could represent the oldest animals ever found

The remains were perhaps left by sponges that died nearly 900 million years ago, but much remains uncertain.