Read the latest articles from Popular Science (Page 821)

Animals

Tigers don’t want to eat humans, but we’re not giving them much choice

Man-eating tigers are a by-product of the human-caused climate crisis.

By Nayanika Mathur/The Conversation

Projects

How to repair window screens

Let the fresh air in but keep those rotten bugs out.

By John Kennedy

Spiders

This spider’s exoskeleton looks like a helmet for a very tiny alien

Megapixels: The husk was captured on a specialized macro lens.

By Alex Schwartz

Pollution

Small improvements to California’s air quality made a big difference in asthma rates

Studies like these are crucial for public health officials and lawmakers, but future funding for them looks bleak.

By Nicole Wetsman

Aviation

This new box full of sensors could help more flying machines get off the ground

But in aviation, systems must be redundant and completely reliable.

By Rob Verger

Pluto

How Pluto keeps its secret ocean warm

Gas might keep the dwarf planet’s subsurface ocean from freezing.

By Neel V. Patel

Technology

Oculus Quest brings your real-world motion into VR. Here’s what that’s like.

The next-gen headset is totally self-contained.

By Rob Verger

Birds

Baby sharks are eating the birds that live in your backyard

Tiger shark barf reveals sparrows and woodpeckers are on the menu.

By Jessica Boddy

Climate Change

The Maya dealt with a form of climate change, too. Here’s how they survived.

The Classic civilization could only respond to their changing climate. We can do far more if we choose to.

By Kenneth Seligson/The Conversation

Climate Change

Scientists want to limit climate change by releasing more CO2

Converting methane to carbon dioxide could help.

By Ula Chrobak

International Space Station

All the buzz about NASA’s new fleet of space bees

Astrobees could help free up astronauts' schedules.

By Kat Eschner

Vaccines

We’re finally studying how to combat the anti-vax movement, but the methods may surprise you

Researchers are beginning to understand how to talk to parents who are concerned about vaccines.

By Sara Chodosh

Can AI escape our control and destroy us?

Skype cofounder Jaan Tallinn bankrolls efforts to keep superintelligent AI under control.

By Mara Hvistendahl

Science

Will Earth’s shifting magnetic poles push the Northern Lights too?

Scientists are studying the aurora's every move.

By Nathan Case/The Conversation

Technology

Techathlon podcast: 1997’s hottest tech, surprising air-travel stats, the zombie in your computer

Play along with our game show podcast and learn about the latest tech news.

By Stan Horaczek

Tech Hacks

How to raise money for charity on your phone

Get people to give on the go.

By David Nield

Moons

The White House is giving NASA another $1.6 billion to go to the moon. It won’t be enough.

A 2024 mission is pretty unlikely.

By Neel V. Patel

Nutrition

Processed food really does make you gain weight

It took a comprehensive experiment to get proof.

By Sara Chodosh

Engineering

Inside the 2019 Ferrari Pista, a supercar built for the racetrack

It's built specifically with the racetrack in mind.

By Dan Carney

Fitness & Exercise

Muscle stiffness can be an athletic superpower

Elite basketball players benefit from having less stretch.

By Philip Anloague / The Conversation

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