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10-piece DeWalt power tool kit

Get a $179 DeWalt impact driver for $99 during Amazon’s huge Black Friday sale on DeWalt power tools

By Stan Horaczek

Charles Darwin’s Address Book is a small brown leather notebook, with “VISITS” and “ADDRESSES” printed on its spine (photo 1) and index-letter tabs in alternating black and red. The entries were begun by his wife, Emma Darwin, and are in her pleasant, rounded handwriting (photo 2), shortly after their marriage in January 1839. Latter entries were by Darwin (photo 3), and he continued to use this Address Book throughout his lifetime.

Flip through Charles Darwin’s digitized address book

Zinius mattress with people on it

Best Amazon Black Friday mattress and bedding deals (Serta, Beautyrest, Tuft & Needle, and more)

By Stan Horaczek

a monkey with its hand over its mouth

Endangered Species

10 captivating images from National Geographic’s Photo Ark

By Popular Science Team

Black Friday Deals

These are 150+ of the best Black Friday deals our editors have found so far (updating)

By Stan Horaczek, Tony Ware

a family talking around the dinner tableSkynesher via Getty Images

Science confirms hand gestures make you seem more persuasive

By Margherita Bassi

Get the GE Opal “good ice” machine and 30 other kitchen Black Friday deals right now (updating)

A female kestrel in a cherry orchard in northern Michigan.

Falcons help keep bird poop off your delicious cherries

By Laura Baisas

Ryobi tool kits home depot black friday

The Home Depot is clearing out Ryobi battery-powered tool kits for ridiculous prices for Black Friday

By Stan Horaczek

Snow Joe electric snow blowers

Amazon is blowing out Snow Joe electric snow blowers for as low as $149 during Black Friday

By Stan Horaczek

Black, Pink, and Navy Bose QuietComfort noise-cancelling headphones on a dark blue Black Friday deal alert background

These $360 Bose noise-canceling headphones are just $199 for a limited time during Black Friday

Hubble telescope photo of large NGC 2775 galaxy

Space Telescope

Galaxy NGC 2775 continues to baffle astronomers

a desk with a pile of papers

Rid your desk of paper clutter

Silver Ninja kitchen appliances on a blue Amazon Black Fridat 2025 background

Amazon is blowing out Ninja kitchen appliances for Black Friday: Save on toaster ovens, air fryers, blenders, and more

SimpliSafe security system on sale for Black Friday

Get a complete SimpliSafe 5-piece home security system for just $99 during Amazon’s Black Friday sale

By Stan Horaczek

Fragments of BRT-VP-2/135 before assembly. The specimen was found in 29 pieces of which 27 of them were recovered by sifting and picking the sifted dirt.

Prehistoric foot bones finally linked to our early ancestors

a large geode with purple and white gems

A 1,000-pound geode, mosasaur skeleton, and head to auction

By Popular Science Team

A close-up photograph of a young child's face with freckles, wearing a knit winter hat dusted with snow. The child is smiling and deliberately crossing their eyes. The background is a blurry white winter scene.

Ask Us Anything

Is crossing your eyes really bad for you? We asked an optometrist.

By Sarah Lindenfeld Hall

All-Clad stainless steel cookware

Score rare deals on All-Clad stainless steel and non-stick cookware during Amazon’s Black Friday sale

By Stan Horaczek

Close up of white turkey with beak open

Turkey tallying could get a boost from AI-powered drones

Dreo space heater and humidifier

Grab a Dreo space heaters or humidifiers for as low as $34 during Amazon’s Black Friday sale

By Stan Horaczek

Golden retriever sitting on couch in front of laptop

Golden retrievers and humans share ‘striking’ genetic similarities

A white woman with brown hair wearing a grey sweater and yellow coat holds of a pine branch to her nose and smells. She seems to be walking down a sidewalk. There's an out of focus wire fence behind her and what looks like a street to her left. She looks happy and content as she smells the pine branch. There are more out of focus pine trees and branches behind her.

Ask Us Anything

Why smelling a pine tree can instantly lift your mood

By Jennifer Byrne

Walmart Black Friday Deals header

The 137 best Walmart Black Friday deals to shop right now (updating)

By Stan Horaczek, Tony Ware

Walmart has some of the best laptop deals we've seen for Black Friday

Walmart and Amazon’s Black Friday laptop deals include gaming rigs under $600 and a cheap MacBook Air

By Stan Horaczek

Dyson air purifiers and vacuums on sale at Walmart for Black Friday

Walmart’s Black Friday Dyson deals are here: Save up to $300 on vacuums and air purifiers

By Stan Horaczek

an illustration of a baby, a young woman, and adult woman, and an elderly woman walking

Your brain changes at 9, 32, 66, and 83

By Laura Baisas

The Popular Science Amazon Black Friday 2025 Deal Alert background with four black and white speakers, headphones, and earbuds on top of it

Over 67 actually good audio deals we’ve found for Black Friday, with editor-approved picks for every budget (updated)

Ororo heated jackets and gloves on sale for Black Friday

Amazon’s Black Friday Week sale includes huge discounts on Ororo’s heated jackets, gloves, vests, and more

By Stan Horaczek

Big Foot Crossing sign in the wilderness of Colorado

What Bigfoot hunters get right (and very wrong)

a small chihuahua running

Your pet dog really does have wolf genes

By Laura Baisas

$Neanderthal human remains from the Troisième caverne of Goyet (Belgium). Highly fragmented bones bear traces characteristic of fresh bone fracturing and percussion, demonstrating intentional treatment of the bodies. The individuals (GNx, for “Goyet Neandertal” x), numbering six at minimum, were identified by genetic analyses: XX indicates female gender, and XY male gender.. Credit: Royal Belgian Institute of Natural Sciences /Scientific Reports$

The Neanderthals who ate their neighbors

A vibrant, digital illustration of a glowing DNA double helix structure against a dark blue background. The helix is composed of numerous small, multicolored, light-filled blocks and lines that represent the genetic code.

How scientists analyze ancient DNA from old bones

Flashforge 3D printers on sale for Black Friday

These editor-approved Flashforge 3D printers start at just $229 during Amazon’s Black Friday Week sale

By Stan Horaczek

Bluetti portable power stations on sale for Black Friday

Live now: Save up to $1,500 on Bluetti solar generators and portable power stations during Amazon’s Black Friday Week sale

By Stan Horaczek

Aura Rings on sale at Amazon for Black Friday

Get the Oura smart fitness tracking ring for as low as $249 during Amazon’s Black Friday Week sale

By Stan Horaczek

A scan of an Arabic manuscript of the dīwān of Ibn Sanā' al-Mulk dating back to 1181-1182 (left). The Annual perseid meteor seen in the sky on August 14, 2023. The meteors have a radiant bordering on Cassiopeia and Camelopardalis (right).

Medieval Arabic texts help researchers track down explosive star deaths

By Margherita Bassi

Two women stocking up on sunscreen with their remaining 2025 FSA funds

How to spend your remaining FSA balance before it expires

By Heather Kuldell-Ware

Man shoveling snow off his sidewalk after a winter storm.

How to shovel snow without landing in the emergency room

By Jordan Burchette

a wearable device that looks like a bandage swiping on a smartphone

New wearable device lets you touch fabric online, read braille, and more

By Mack DeGeurin

a chimp looks at a monarch butterfly

14 moving images from the 2025 Nature Photographer of the Year awards

By Popular Science Team

Ego Power+ battery-powered tools on sale for Black Friday

Amazon’s Black Friday deals on Ego Power+ battery-powered yard tools include huge discounts on snow blowers and leaf blowers

By Stan Horaczek

SAO PAULO, BRAZIL - NOVEMBER 08: Max Verstappen of the Netherlands driving the (1) Oracle Red Bull Racing RB21 on track during qualifying ahead of the F1 Grand Prix of Brazil at Autodromo Jose Carlos Pace on November 08, 2025 in Sao Paulo, Brazil. (Photo by Zak Mauger/LAT Images) // Getty Images / Red Bull Content Pool // SI202511080876 // Usage for editorial use only //

4 billion equations calculated for F1 team during race weekend

By Kristin Shaw

A monk parakeet preens a friend. Researchers used dye markers to identify individuals for their social experiment.

Parakeets teach a lesson in friendship

By Laura Baisas

ancient reindeer antlers on rocks

Hiker stumbles on massive medieval reindeer traps in Norway

By Margherita Bassi

The North Face jackets and hoodies on sale for Black Friday

Amazon just dropped 30% off deals on tons of The North Face hoodies, jackets, and more during its Black Friday sale

By Stan Horaczek

EF EcoFlow portable power station on sale for half off on Black Friday

Amazon is blowing out EF EcoFlow portable power stations for up to 50% off during its Black Friday Week sale

By Stan Horaczek

Comet passing above auroras on Earth

ISS astronauts photograph two comets soaring over Earth’s auroras

Fibonacci spiral overlaid on cactus blossom

Break out the calculators: November 23 is Fibonacci Sequence Day

a man rows a rowboat with a large black dog swimming next to him

A day with Newfoundlands, the original ship’s dog

By Laura Baisas

A blue Bird Buddy bird feeder mounted to a post on a front porch.

Bird Buddy’s best smart feeders are only $229 during Amazon’s Black Friday sale, and some models are even less

Black and white photo of Shoshoni Infant in cradleboard

Indigenous women engineered energy-efficient baby carriers

Anker charging gear on sale for Black Friday

Amazon just dropped its massive Black Friday deals on Anker chargers, power bricks, and portable power stations

By Stan Horaczek

a black cat sitting in green grass ready to pounce

Cats love to massacre bugs, and scientists have the videos to prove it

By Mack DeGeurin

Greenworks chainsaw on sale for Black Friday

Amazon is blowing out Greenworks battery-powered yard and power tools during its Black Friday sale

By Stan Horaczek

Artist illustration of satellite above Earth's auroras monitoring the sun

Geomagnetic superstorm shrunk Earth’s protective plasmasphere

green moss on a rock

International Space Station

Moss survived 283 days in space, shocking biologists

By Laura Baisas

A shallow depth-of-field close-up of a stainless steel frying pan sitting on a black, glossy induction cooktop, with steam rising from food cooking inside the pan. The kitchen background is blurred, showing a window and a refrigerator.

Ask Us Anything

Are induction stoves better? These chefs think so.

An ECOVACS DEEBOT X11 OmniCyclone Robot Vacuum and Mop on a gray Amazon Black Friday background

This ECOVACS robovac helps clean while I’m too busy writing Black Friday deals, and it’s $500 off

Apple Watch Ultra 2 on sale for Black Friday

Amazon just dropped the Apple Watch Ultra 2 to its lowest price ever during Black Friday week

By Stan Horaczek

Black Sony WH-1000XM6 wireless headphones against a gray Amazon Black Friday background

Sony’s best wireless headphones are at their lowest price ever—just $399 for Amazon Black Friday

Dune, Black, and Grey Beats Studio Pro headphones on a gray Amazon Black Friday background

Amazon Black Friday drops Beats Studio Pro headphones to $169—their lowest price of the year

Treblab U7 over the ear headphones on sale for Black Friday

TREBLAB’s best noise-cancelling, sweat-resistant headphones are only $105 during Amazon’s Black Friday sale

Amazon Kindle Paperwhite and Scribe

Amazon just dropped its best Black Friday deals on Kindles including the Paperwhite and Scribe

By Stan Horaczek