Read the latest articles from Popular Science (Page 468)

Baby hippo Fritz with mother at Cincinnati Zoo.
Wildlife

Cincinnati Zoo welcomes surprise baby hippo after mother’s birth control ‘fritzes’

Hip-hippo-hooray for Fritz!

Archer Aviation private air taxi in flight
Aviation

United Airlines just preordered $10 million worth of private air taxis

The major airliner is moving forward with phase one of its $1 billion in Archer Aviation.

Air conditioning units on orange wall.
Climate Change

What do AC limits mean for a heatwave-stricken Europe?

Europe has been slow to adopt air conditioning—but now the continent faces back-to-back heatwaves.

Phone showing tiktok on screen
Tech Hacks

7 tricks to make the most of TikTok

It's one of the hottest apps out there. Here’s how to make the most of it.

The Air Force wants to start using its ‘Angry Kitten’ system in combat
Air Force

The Air Force wants to start using its ‘Angry Kitten’ system in combat

The electronic warfare device has previously been employed in training scenarios.

American beaver swimming with head out of water
Animals

Wolves and beavers can have magical ecosystem effects—if they have space to thrive

A new reintroduction plan for gray wolves and American beavers looks to reduce grazing on public lands by about 70 million acres.

A DIY jointer sled holding a small piece of wood in place atop a table saw in a woodworking shop.
Projects

Two ways to joint wood on your table saw—no jointer needed

Perfect edges lead to perfect pieces.

The most powerful telescope of all time is coming to Chile
Space Telescope

The most powerful telescope of all time is coming to Chile

The Earth-based Giant Magellan Telescope is poised to discover habitable planets and unlock space's deep secrets in collaboration with its cosmic cousin, the JWST.

jet engine blades up close
Engineering

A new power-generating system works like a jet engine

In a small proof-of-concept test, it was able to send electrons back into an Air Force Base electrical grid.

The Arctic is warming nearly four times as fast as the rest of the planet
Climate Change

The Arctic is warming nearly four times as fast as the rest of the planet

New studies show that the Arctic is warming a lot faster than we thought.

a rocket stands on a launch pad late at night
Space X

Space tourism is on the rise. Can NASA keep up with it?

An official space tourism department could help prevent private rocket riders from clashing with working astronauts.

To fight cyber attacks, tech companies are banding together
Internet

To fight cyber attacks, tech companies are banding together

The new initiative is called the Open Cybersecurity Schema Framework. Here's what it will do.

Reconstruction of "Jakapil kaniukura", the first thyreophorous dinosaur of its kind for Argentina and South America.
Dinosaurs

Move over, Stegosaurus, there’s a new armored dino in town

Scientists uncovered a 'shield-bearing' dinosaur that weighs as little as a cat.

Kids with long frizzy brown hair birdwatching with binoculars from a duck blind
Wildlife

How to become a citizen scientist—and when to leave it to the professionals

With the right training materials, many types of projects can be appropriate for citizen scientists.

A glass of water with crystal-clear ice cubes in it on a sunlit wooden table.
Life Skills

How to make crystal-clear ice cubes

There's nothing wrong with cloudy ice, but clarity can be quite refreshing.

Four teens standing in a row using their smartphones
Social Media

Study confirms the obvious: youth have abandoned Facebook

Teen usage of the social media platform has more than halved in less than a decade.

KN95 mask on dark background.
COVID-19

With COVID-19 ‘here to stay,’ CDC loosens most guidelines

The focus now is on vaccination and treatment instead of prevention.

Everything you need to know about EV tax credits and the Inflation Reduction Act
Electric Vehicles

Everything you need to know about EV tax credits and the Inflation Reduction Act

With the IRA in gear to become law, big changes are coming down the road for people who want to buy electric vehicles.

Asteroid surface.
Space

An asteroid the size of a blue whale is speeding past Earth today

The huge space rock poses no threat to the planet.

a black and white ghostly image of a jumping spider hanging by a thin silk strand in a sleep-like state
Evolution

Jumping spiders might be able to sleep—perchance to dream

You might have more in common with this sleepy spiderling than you think.