Read the latest articles from Popular Science (Page 154)

an iphone screen open on a mac
Tech Hacks

How to mirror your iPhone on your Mac

iPhone mirroring is now available on macOS.

a platypus floating in a creek on the Eungella National Park , Queensland, Australia
Robots

Platypus-like robot skin inspired by scientist’s daughter

The artificial sensor detects distant objects through ‘tele-perception.’

The best portable jump starters arranged in a pattern
Outdoor Gear

The best portable jump starters, tested and reviewed

Pack one of our top picks for portable jump starters and ensure that a dead battery never keeps you from getting where you need to be.

Nissan alerts
Vehicles

Nissan cars will yell at you for hogging the fast lane

New cars are increasingly using beeps and alerts to educate bad drivers.

Man riding on 3D printed Lego minibike
Motorcycles

Engineer builds rideable LEGO motorbike using oversized 3D-printed bricks

The tiny, 10 mph motorcycle was inspired by the iconic Technic 8810 Cafe Racer set.

a CT scan of two jaw fossils from early mammals
Wildlife

A 225-million-year-old fossilized jaw joint shifts evolutionary timeline

The 'incredible' specimen points to how mammals became mammals.

A mummy from an Early Bronze Age cemetery of Xiaohe (1980–1450 BC) in Xinjiang, China and very old cheese.
Archaeology

World’s oldest cheese found in necklaces on mummies in China

But how did it taste?

blurry train
Technology

Barcelona is turning subway trains into power stations

Barcelona is using the regenerative braking of its subways to power trains, stations, and neighborhood EV chargers. Could New York do it too?

marbled crayfish
The Weirdest Thing I Learned This Week

These self-cloning crayfish ladies could take over the world

Plus other weird things we learned this week.

A variety of behaviors can foster muscle tension and lead to knots.
Ask Us Anything

What is a muscle knot actually? A pain in the neck, but not a knot.

The discomfort is real—and exceedingly common. Here's what you can do about it.

glass bowl filled with brown seaweed
Ocean

Bye, kale: Marine scientists want you to eat more seaweed

The ocean vegetable is the most sustainable ingredient not on your plate...yet.

Video screenshot of piece of OceanGate Titan wreckage
Engineering

The OceanGate Titan implosion left a 30,000-square-meter debris field

The US Coast Guard recovered most, but not all, of the debris from the ocean floor.

Study suggests that ambient dopamine levels in the brain do not influence the strength of the placebo effect.
Science

Scientists reexamine dopamine’s role in the placebo effect

A better understanding of the process could lead to better pain treatments.

a spook-fish with a narrow snout and large pectoral fins
Fish

Boo! New species of ghost shark uncovered in New Zealand

Also called ‘spookfish,’ these toothy fish munch on crustaceans and thrive 8,530 feet underwater.

Spinach rows in farm field
Science

Your recycled pee may be better for crops than synthetic fertilizer

New research further supports the benefits of swapping out artificial additives for human urine.

Mount Thielsen with a base of rocks and trees around its side
Science

Extinct volcanoes could hold rare earth elements

Their iron-rich magma might hold some of the 17 elements needed to make smartphones, wind turbines, and more.

Scientists observed two bowhead whales synchronizing dive schedules whenever they were within earshot of each other.
Ocean

Whales may be communicating across vast distances

Researchers have long suspected that bowhead whales keep in touch from far away. New evidence of synchronized diving between two whales 100 kilometers apart supports the theory.

This artist concept illustrates the frenzied activity at the core of our Milky Way galaxy. The galactic center hosts a supermassive black hole in the region known as Sagittarius A*, or Sgr A*, with a mass of about four million times that of our sun.
Ask Us Anything

Can the black hole in the center of our galaxy expand to our solar system? 

We're not dealing with a 'cosmic vacuum cleaner' situation.

A lineup of the best leaf vacuums on a white background
Home

The 4 best leaf vacuums

Keeping your property clean doesn’t have to be time-consuming or difficult with these handy tools.

Z Machine operating at Sandia National Laboratories
Deep Space

Could nukes deflect an asteroid? ‘X-ray scissors’ offer scientists clues.

The new tool requires using the world’s strongest pulse-powered machine.