Read the latest articles from Popular Science (Page 249)

ESA will send a triangle of satellites into space to study gravitational waves
Space

ESA will send a triangle of satellites into space to study gravitational waves

New LISA satellite trio will be able to detect the forgotten 'middle children' of the black hole family.

Various sea sponges in the Caribbean.
Animals

How sea sponges are adjusting our climate projections

New study says the world blew past 1.5 degrees of warming 4 years ago.

Valentine's Day gift guide items in an array
Gift Guides

14 Valentine’s Day gifts that you’ll want to use in bed

Are you looking to lay in bed and rot this Valentine's Day? We have the accessories you need.

The St. George’s Cross medusa is about four inches wide, three inches long, and has about 240 tentacles. It has a red cross on its body when viewed from above.
Ocean

New jellyfish discovered near Japan may contain multitudes of venom

Who lives in a caldera under the sea? Santjordia pagesi!

Bluesky app logo on phone superimposed atop crowd of people
Social Media

Twitter alternative Bluesky is now open to the public

You can finally stop begging the ‘cool kids’ for invites.

The latest emojis feature a mushroom, a phoenix, a lime, and more inclusive family options
Internet

The latest emojis feature a mushroom, a phoenix, a lime, and more inclusive family options

New emojis are headed to devices later this spring.

Antique zimingzhong mechanical clock
Engineering

It’s time to check out these incredible antique musical clocks

Gifted to Chinese emperors by European missionaries during the Qing dynasty, the ‘zimingzhong’ showcase the melding of art and technology.

A satellite image of two cyclones over the ocean with land nearby.
Global Warming

Stronger hurricanes may call for a ‘Category 6’

Our go-to five-category scale may no longer be enough.

An artist’s illustration of the new pterosaur species Ceoptera evansae. Several of the winged reptiles fly over trees and grass in Jurassic-era Scotland.
Animals

New pterosaur species discovered in Scotland

With a wingspan up to five feet long, Ceoptera evansae once flew over the misty Isle of Skye.

Blood tests provide clinicians with more information to guide diagnoses and treatment decisions.
Health

What do your blood test results mean?

A toxicologist explains the basics of how to interpret blood test results.

Illustration of 3D printed brain tissue culture with 25nm scale
Biology

Scientists have 3D bioprinted functioning human brain tissue

A new method for assembling neuron cultures horizontally instead of vertically helps solve for a longstanding issue.

People walk past the K5 robot used by the New York City Police Department (NYPD) in the Times Square subway station in New York on November 28. 2023.
Robots

NYPD retires big, egg-shaped subway surveillance robot—for now

Privacy advocates have criticized the 'trash can on wheels.'

An ermine moth with white wings and black spots sits on a yellow dandelion.
Biology

Moths fight against echolocating bats with sounds of their own

Biologists and engineers join forces to study this natural mystery.

Three screenshots of Tesla driver wearing Apple Vision Pro
Electric Vehicles

Don’t worry, that Tesla driver only wore the Apple Vision Pro for ’30-40 seconds’

In a viral video meant to be a 'skit,' an influencer drove in Autopilot while wearing the $3,499 spacial computing headset.

Rivian admitted to an error in its software that led to infotainment and main display malfunctions last year.
Electric Vehicles

The EV industry faces a core challenge: software bugs

Automakers like Ford, GM, and Volvo are rethinking their pace.

Two different versions of the eROSITA map. Extended X-ray emissions (left) and point-like X-ray sources (right).
Space Telescope

New map of half the known universe shines with cosmic energy

More than one million sources of energy are featured in the first X-ray images from the eROSITA space telescope.

Stem cells found in menstrual blood could unlock new therapies and diagnostic tests.
Stem Cells

The untapped potential of stem cells in menstrual blood

Long overlooked, menstrual stem cells could have important medical applications, including diagnosing endometriosis.

Ambient mode offers another way to watch YouTube.
Tech Hacks

YouTube has a hidden ambient mode: Here’s how to turn it on (and off)

It's a more immersive experience, on desktop or mobile—if that’s something you’re looking for.

In May 1951, Popular Science featured Aetna’s next generation simulator, the Roadometer.
Vehicles

Why don’t we use more driving simulators to teach teenage drivers?

These simulators popped in the 1950s, but there's a reason you won't see them in accredited driving schools today.

For many people, bed bugs are becoming a fact of life again.
Insects

Getting rid of bed bugs is trickier than ever

The blood-sucking insects now show up in two varieties and are resistant to many pesticides. New eradication strategies include fungal spores and nasty human odors.