Read the latest articles from Popular Science (Page 131)

White KEF LS50 Wireless II standmount speakers and LS60 tower speakers next to a Cambridge Audio ALVA TT V2 turntable
Speakers

Some of our favorite high-end speakers are $500 off right now for Black Friday

The KEF LS50 Wireless II powered bookshelf speakers are $500 off for Black Friday. If you want big sound that doesn't take up big space, these are the speakers I recommend regularly.

Ray-Ban Meta with clear lenses on-sale for Black Friday
Gear

The best Black Friday deal so far: Ray-Ban Meta smart glasses and a $90 Amazon gift card for $239

With the $90 in Amazon credit, you're essentially paying $149 for a $300 pair of smart glasses on Black Friday.

Focaccia baked in kiln
Archaeology

Focaccia likely originated in Mesopotamia, not Rome

The flatbread may date as far back as the Neolithic Era.

An illustration of the amygdala, shown in red. It is a part of the brain’s limbic system and plays a key role in processing emotions.
Mental Health

‘Was I awkward?’ What overthinking after a party has to do with your ‘lizard brain’

The amygdala and brain's social network communicate more than we thought.

interior of a sedan
Vehicles

Toyota uses noise and vibration engineers in pursuit of cabin silence that rivals luxury cars

‘I'm the guy that makes your car quiet.’

Unless the damage is widespread, they usually aren’t harmful.
Health

Should I worry about mold growing in my home?

Mold growths are common in homes.

ASUS ROG Strix G16 in a tiled configuration.
PC Gaming

One of our favorite (and most powerful) gaming laptops is cheaper than ever for Black Friday

You get the power of a mid-tier desktop gaming PC in a machine you can take with you anywhere.

JBL Bar 9.1 in a tiled configuration.
Home Theater

One of our favorite soundbars is $630 off right now for Black Friday

The soundbar is within a dollar of its lowest price ever for a limited time

a microsoft laptop on a table
Tech Hacks

Everything you can do to declutter Windows

Don't put up with a messy PC.

By examining pollen grains clinging to the bodies of painted lady butterflies (one shown above), scientists have traced the insect’s multigenerational migration across several continents.
Insects

The secrets of butterfly migration, written in pollen

Trillions of insects move around the globe each year. Scientists are working on new ways to map those long-distance journeys.

a body on a morgue table with only the feet showing and a toe tag on the big toe
Medicine

What happens when you donate your body to science? 

'They will be teaching over 3,000 healthcare professionals.'

A black tiger—known for its merged stripes—patrols the Similipal Tiger Reserve. (Photo by for Prasenjeet Yadav for National Geographic)
Wildlife

5 fascinating wildlife images from National Geographic’s Pictures of the Year

A captivating look at diving penguins, pesky cicadas, and the hidden world of wood ants.

The plant-based egg substitutes available today are less than perfect. Food scientists are working hard to improve them — and, maybe, make them better tasting and more nutritious than the real thing.
Nutrition

Cracking the recipe for perfect plant-based eggs

Hint: It involves finding just the right proteins. With new ingredients and processes, the next generation of substitutes will be not just more egg-like, but potentially more nutritious.

brain glitch
Ask Us Anything

How does science explain déjà vu? It’s a brain glitch with a purpose.

Your mind is a sense-making machine.

A Patagonia duffel bag, Dickies jacket, Leatherman tool, Rtic cooler
Gear

12 gifts that are built to last

Don't buy cheap junk for the people you care about. Get them a gift that will last for decades.

Concept art depicting Starship HLS on lunar surface with Earth in background
Moons

New concept art shows how SpaceX’s Starship will transport Artemis III astronauts to the moon

A modified version of the 164-foot-tall rocket system is needed to make history.

a black meteorite on display at a musuem
Mars

4-billion-year-old mineral offers clues about Mars’ steaming hot past

A meteorite known as 'Black Beauty' hints at the Red Planet's ancient hydrothermal systems.

Eurkea J20 Robot Vacuum in a tiled configuration.
Smart Home

The best robot vacuum I’ve tested this year is $330 off for Black Friday

We've tested the J20, and it's left our floors spotless while being smart enough to make its way around plenty of obstacles.

Logitech's Casa Pop Up Desk Kit in a tiled configuration.
Laptops

One of the best home office tech accessories I’ve ever tried is $30 off for Black Friday

The unique travel accessory makes working on-the-go significantly more comfortable.

The best metal detectors for gold in 2024 on a plain white background.
Outdoor Gear

The best metal detectors for gold at any budget

Between every modern prospector and that little pocket of bullion, there’s a great metal detector that can strike gold at the boardwalk or even just find jewelry you lost in the backyard.