Read the latest articles from Popular Science (Page 867)

Security

This tiny Google product could help secure your accounts

But you can tap into similar powers without a device.

By Rob Verger

Mars

Mars is missing a lot of this crucial terraforming ingredient

Time for a new plan.

By Mary Beth Griggs

Global Warming

Only 13 percent of the world’s oceans are still wild

The forecast isn’t looking great, either.

By Anna Brooks

Phones

Cell phone batteries are destined to die, and we have physics to blame

The second law of thermodynamics is the enemy here.

By Steve W. Martin / The Conversation

Endangered Species

The fate of future endangered species could hinge on a semantic argument

What is the “foreseeable future” anyway?

By Amelia Urry

Life Skills

It’s time to clean the grimy filters you’ve been avoiding

Your appliances will thank you for it.

By Sophie Bushwick

Pets

A veterinarian explains what dog and cat years really mean

Understanding your pet's real age can be vital to keeping them healthy.

By Jesse Grady / The Conversation

Solar System

Forget the Blood Moon, the Red Planet is waiting for you tonight

Mars is at its closest and clearest right now. You know you want to look at it.

By Sara Chodosh

Sharks

The first underwater film was lost for decades—until now

Popular Science's senior video producer discovered the lost film "The Terrors of the Deep."

By Anna Brooks and Tom McNamara

Engineering

The stiletto heel is the embodiment of post-war material science

Skyscrapers and sky-high shoes share one common ingredient.

By Eleanor Cummins

Pollution

‘Glider trucks’ are pollution machines, but they might roll past EPA regulations

Old, inefficient engines inside new frames have been sneaking through a regulatory loophole that the EPA was supposed to be closing.

By Jennifer Lu

Diseases

What’s killing all the raccoons in Central Park?

A real whodunnit, featuring 26 dead bandits.

By Eleanor Cummins

Cats

This cat-poop parasite can change your brain, but it probably won’t make you an entrepreneur

Let's all say it together: correlations are not causations!

By Neel V. Patel

Health

Millions of Americans are sleep-deprived, but stressing over it won’t help.

Even if you don’t get enough shut-eye, most fixes are easy

By Brandon Peters-Mathews / The Conversation

Sharks

Cuba’s pristine reefs are ideal for spotting great hammerhead sharks

Relatively little research has been done in the country's waters.

By Lexi Krupp

Gene Editing

Americans have some really mixed feelings about editing human embryos

Curing diseases is mostly fine, but increasing intelligence? That's another story.

By Claire Maldarelli

Tech Hacks

How to erase your embarrassing old Facebook and Twitter posts

In one fell swoop.

By Whitson Gordon

Renewables

This bacteria could boost solar panels on cloudy days

Researchers are using bacteria to give solar an energy boost.

By Marlene Cimons

Evolution

Hurricanes may have made these lizards better huggers

Long forelimbs and short hind limbs, combined with big toe pads, may better suit the lizards for surviving hurricanes.

By Kat Eschner

The Weirdest Thing I Learned This Week

The weirdest things we learned this week: Curing syphilis with malaria, ejecting bears from planes, and discovering new beer yeasts

Our editors scrounged up some truly bizarre facts.

By Rachel Feltman

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