Read the latest articles from Popular Science (Page 604)

An electronic Post-It note
Projects

Build it: the electronic Post-It note

Who needs pen and paper? Jot down reminders on a digital screen, using only your finger.

a sulfur-crested cockatoo perched on a wall
Birds

Australian cockatoos are teaching each other to open trash cans

Sulfur-crested cockatoos living in the Sydney suburbs are going through a kind of cultural renaissance.

soldiers near a vehicle with drones in the background
Drones

Drones could help save soldiers’ lives by delivering blood on demand

British commandos tested out a drone swarm as a blood-delivery system in a recent exercise.

Track runner kneeling on starting line
Physics

Are all track lanes created equal when it comes to winning gold?

Data from past Olympics show that lane advantages aren't definite.

Northern cardinal bird with right side male red and left female tan in a bare tree
Birds

4 unexpected facts about the Northern cardinal, a bird you should know better

It sounds like a lightsaber and comes in rare colors. Top that.

Several glass vials of the COVID-19 vaccine sit on a table top.
Vaccines

Despite surging Delta variant, a national vaccine mandate is unlikely

Here’s what you need to know about the pandemic this week.

how to identify ticks
Wildlife

A guide to the tick species every American should know

Learn to ID the bloodsuckers and understand the diseases they might carry.

Person inserting cassette in cassette player.
Tech Hacks

A modern guide to cassette tape players

As written by a millennial who’s gone from tapes to streaming apps, and everything in between.

desktop computer best prime day deals
Gear

Best Prime Day deals: Amazon deals today

Explore the best Prime Day deals to score on tech, home goods, and more.

a robotic military vehicle in the snow
Military

Meet Robbox, the robot that schleps a half-ton of supplies for special forces

The machine is one possible way for commandos, burdened down by gear, to get a helping hand.

Silence Before the Storm
Environment

Silence Before the Storm

Lack of international coordination threatens high-tech early-warning systems for tsunamis

A pack of wolf puppies.
Dogs

Puppies beat out young wolves in one important skill

There are some tricks you just can’t teach a baby wolf.

The menu for web browser options, with "mute site" selected.
Tech Hacks

How to block pop-ups and annoying auto-play videos

Restore the peace and quiet in any web browser.

man taking basketball shot
Psychology

Muscle memory is real, but it’s probably not what you think

The term can refer to two different things.

man pointing a Homemade Water Blaster
Projects

How To Build Your Own DIY Water Blaster

Grab some PVC pipes and other supplies, then get ready to fire.

Night sky photography is perfect for social distancing. Here’s how to get a great shot.
Life Skills

Night sky photography is perfect for social distancing. Here’s how to get a great shot.

People are staying home during the pandemic, resulting in clear skies for great photos.

Amp Your Ride
Projects

Amp Your Ride

Charge electronics on the go with a bike-mounted USB hub.

bill faloon forever family at a venue
Health

Is there any truth to anti-aging schemes?

Bill Faloon has pursued immortality for decades. Now he's got lots of company. What does science have to say?

Audi's in-car traffic light information technology.
Vehicles

Audi’s new tech can help you beat red lights

Plus, if you do need to stop, it counts down the time until it turns green for you.

Person shopping with basket.
Sustainability

Are carbon labels on products just greenwashing?

It isn't always obvious what a kilogram of carbon emissions means to the average consumer.