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How the Binding of Two Brain Molecules Creates Memories That Last a Lifetime

The original version of this story appeared in Quanta Magazine. When Todd Sacktor was about to turn 3, his 4-year-old sister died of leukemia. “An empty bedroom next to mine. A swing set with two seats instead of one,” he said, recalling the lingering traces of her presence in the house. “There was this missing person—never spoken of—for which I had only one memory.” That memory, faint but enduring, was set in the downstairs den of their home. A young Sacktor asked his sister to read him a book

Volunteer finds Holy Grail of abolitionist-era Baptist documents

By MICHAEL CASEY GROTON, Mass. (AP) — Jennifer Cromack was combing through the American Baptist archive when she uncovered a slim box among some 18th and 19th century journals. Opening it, she found a scroll in pristine condition. A closer look revealed the 5-foot-long (1.5-meter-long) document was a handwritten declaration titled “A Resolution and Protest Against Slavery,” signed by 116 New England ministers in Boston and adopted March 2, 1847. Until its discovery in May at the archives in Gr

Volvo delivers 5,000th electric semi with little fanfare

With the Tesla Semi making headlines consistently since its first public appearance waaay back back in 2017, you might think they were some kind of market leaders. Meanwhile, Volvo Trucks has quietly delivered its 5,000th electric semi truck … and they’re just getting started. Volvo delivered its first all electric semi truck 2019. Since then, Volvo customers in more than 50 countries around the world have logged more than 100 million miles (170 million km – and almost half of that in the last

Tesla Robotaxi Rider Gets Bizarre Call Saying She Has to Exit Vehicle Immediately

YouTuber and Elon Musk stan Ellie Sheriff had a bizarre experience during her first Tesla robotaxi ride in Austin, Texas. As seen in a video she shared on her channel, "Ellie in Space," over the weekend, Sheriff got a strange call from the EV maker mid-ride, asking her and her fellow passenger to literally leave the vehicle due to incoming weather. "So we had to get out of the robotaxi, because weather is coming in," Sheriff said in the video while standing in the middle of a windy field. The

The best Prime Day laptop deals: Save on MacBooks, Windows 11 machines, Chromebooks and more

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . So you need a new laptop — you’ve waited for the right time. Amazon Prime Day 2025, as has been in years past, offers a ton of laptop deals to consider and that's true even now in the days leading up to the event. All kinds of devices are on sale this year, from refreshed MacBooks to h

A Tesla robotaxi inexplicably drove into a parked car

One of Tesla's fully autonomous robotaxis grazed a parked car after completing a ride recently in Austin, Texas. In a video recorded by YouTuber DirtyTesla, a self-driving Model Y is seen turning and accelerating into a Toyota, making light contact with its tire. As seen in the video, the Model Y already dropped off its passenger, but had trouble navigating out of the dark alleyway afterwards. Tesla's robotaxi service launched in Austin just two weeks ago with a small fleet. According to DirtyT

Xbox's sci-fi looter-shooter Blackbird was scrapped even after leaving execs 'blown away'

Xbox was well on its way to delivering a sci-fi stylized game with plenty of exciting movement mechanics before an abrupt change of heart. The upcoming third-person shooter RPG codenamed Blackbird from ZeniMax Online Studios, which developed The Elder Scrolls Online, has been "shelved indefinitely," according to an exclusive report from Bloomberg. The report added that Xbox execs were "blown away" by the game and had "nothing but complimentary words," according to Bloomberg's sources. The excit

WinUAE 6 Amiga Emulator

Major update to custom chipset emulation. Internally almost everything in main chipset emulation has been rewritten. Fastest possible/JIT mode chipset timing/sync had major changes which can cause side-effects. Bugs are very possible, especially in very rarely used features. Custom chipset rewrite Custom chipset emulation (Agnus/Alice and Denise/Lisa) almost completely rewritten. Almost every part of chipset emulation is now internally cycle accurate. Custom chipset Denise/Lisa emulation is

The Calculator-on-a-Chip (2015)

Calculator Articles The Arrival of the "Calculator-on-a-Chip" During the late 1960s and early 1970s a major aim of the calculator electronics companies was to integrate all of the functionality of a calculator into one integrated circuit, so producing a "Calculator-on-a Chip". © 2015 Nigel Tout This is a new article which was not originally in "The International Calculator Collector". Introduction As told in the section "The Story of the Race to Develop the Pocket Electronic Calculator", fro

Journalists Just Roasted Sam Altman To His Face

OpenAI CEO Sam Altman got a taste of his own medicine when he went on the New York Times' turf and tried to twist the newspaper's copyright lawsuit against it. As flagged by PG Gamer, the live recording of the NYT's "Hard Fork" podcast — hosted by journalists Kevin Roose and Casey Newton, and featuring as guests Altman and OpenAI's chief operating officer Brad Lightcap — was testy from its start. Almost immediately upon sitting down on the "Hard Fork" stage, the CEO came out punching. "Are yo

Mysterious Object Headed Into Our Solar System Is Coming From the Center of the Galaxy

Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from interstellar space. Yesterday, the intriguing stranger was named A11pl3Z. Now, it's earned the esteemed designation 3I/ATLAS — that "I" standing for "interstellar." 3I/ATLAS is currently located between the orbits of the asteroid belt and Jupiter, the New York Times reports, where it's about 416 million miles away from the Sun, NASA said. That's equal to four and a half times the

The Lymow One robot lawn mower can do it all, and this Summer Sale is the best time to get one

Now that summer is here, it’s the perfect time to enjoy the outdoors before the cooler fall and winter months arrive. If you love hosting backyard gatherings, you know how much work it takes to prepare your yard for these parties. And while the warm weather is perfect for relaxing, it can be challenging when you’re pushing a heavy lawnmower around for hours. That’s exactly where Lymow can help make things easier and more enjoyable. The Lymow One is a high-performance robot lawn mower that compl

Why government red tape is draining your phone’s battery potential

Robert Triggs / Android Authority You’re not alone if you’re pining for longer battery life from your latest smartphone. Despite emerging technologies like silicon-carbon cells, we’ve seemingly hit a ceiling just above the 5,000 mAh mark — at least for phones sold in the US and Europe. Meanwhile, glance over at models in China or India, and you’ll spot far larger batteries in otherwise identical handsets. For example, the new Nothing Phone 3 packs a 5,150mAh battery globally, but bumps that up

Slack now integrates with reMarkable's e-paper tablets

You can now send your reMarkable notes and doodles straight to Slack. The companies have announced Slack integration for reMarkable tablets, letting you send whatever you want from the e-paper device straight to your workplace chat in one tap. "...we realized that when there’s friction between thinking and producing, you risk losing time, ideas, and momentum," reMarkable Chief Technology Officer Nico Cormie said in a statement. By linking the tablet with Slack, there's less friction between comi

X-Clacks-Overhead

About the Signal X-Clacks-Overhead is a non-standardised HTTP header based upon the fictional work of the late, great, Sir Terry Pratchett. In Terry Pratchett's science-fantasy Discworld series, "The Clacks" is a network infrastructure of Semaphore Towers, that operate in a similar fashion to telegraph - named "Clacks" because of the clicking sound the system makes as signals send. In Sir Terry's novel "Going Postal", the story explains that the inventor of the Clacks - a man named Robert Dea

Latest Sales Data Reveal Clear Winners And Losers in a Messy EV Market

The second quarter of 2025 painted a chaotic picture of the electric vehicle market in the United States. While General Motors enjoyed a breakout quarter, most other automakers, especially Tesla and Ford, stumbled hard. EV sales are now a mix of breakthroughs and breakdowns. And all of this is happening under a White House that has turned decisively against green subsidies. GM Breaks Away From the Pack Despite a political environment hostile to clean energy, GM managed to deliver a stunning 1

Congress Won't Block State AI Regulations. Here's What That Means for Consumers

After months of debate, a plan in Congress to block states from regulating artificial intelligence was pulled from the big federal budget bill this week. The proposed 10-year moratorium would have prevented states from enforcing rules and laws on AI if the state accepted federal funding for broadband access. The issue exposed divides among technology experts and politicians, with some Senate Republicans joining Democrats in opposing the move. The Senate eventually voted 99-1 to remove the propo

Topics: ai laws said state states

Is It Time to Stop Protecting the Grizzly Bear?

This story originally appeared on Vox and is part of the Climate Desk collaboration. In the early 1900s, long before smartphones and selfie sticks, tourists flocked to Yellowstone National Park—not for the geysers or scenery, but for a grotesque show: a nightly spectacle of grizzly bears raiding cafeteria scraps from open-pit landfills like desperate, starving pirates. The bears were in dangerous proximity to humans: Hungry bears tore at open car windows. Tourists posed a little too close with

Best Laptop Stands (2025): 25+ Models Tested and Reviewed

More Laptop Stands to Consider There’s no shortage of computer stands out there, and most of them get the job done. While these didn’t quite make my top picks, they still have some perks worth considering. Rain Design iLevel2 Photograph: Rain Design Rain Design iLevel2 for $65: I wanted to love the Rain Design iLevel2, assuming that it was a bestseller for a reason. Adjusting the height is easy—you slide the front level—but even at its lowest (5.4 inches), it still feels too high for some set

ADXL345 (2024)

The ADXL345 is a MEMS accelerometer made by Analog Devices. It’s a popular device among hobbyists because of its low cost, easy availability and rich feature set. But apparently you should be careful about where you buy them: one of my readers ended up with a bunch of ADXL345s that had significant offsets, measurement axes that didn’t work at all, and an inoperative freefall detection mode. After spending lots of time trying to get them to work, he decided to send them to me instead and hopefull

Deal: Samsung Galaxy Z Fold 6 price drops by $545!

Lanh Nguyen / Android Authority Samsung is about to launch its new foldable phones. The Unpacked event is scheduled for July 9th, in under a week. New launches usually come with nice discounts on the previous model, and the sales are starting! You can currently get the Samsung Galaxy Z Fold 6 at a $545 discount! Buy the Samsung Galaxy Z Fold 6 for $1,354.99 ($545 off) This offer is available directly from Samsung. Not all color versions get the discount, though. The White model isn’t on sale,

ADXL345 Die Analysis

The ADXL345 is a MEMS accelerometer made by Analog Devices. It’s a popular device among hobbyists because of its low cost, easy availability and rich feature set. But apparently you should be careful about where you buy them: one of my readers ended up with a bunch of ADXL345s that had significant offsets, measurement axes that didn’t work at all, and an inoperative freefall detection mode. After spending lots of time trying to get them to work, he decided to send them to me instead and hopefull

ChatGPT Deep Research tests new connectors for more context

ChatGPT Deep Research, which is an AI research tool to automate research, is getting support for new connectors (integrations), including Slack. Deep Research is an AI agent that automates research for you. You just need to give it a brief prompt with all the necessary details, and it will crawl the internet to write a research paper. As spotted by Tibor on X, ChatGPT has references to a new connector called 'Slack.' Once integrated, ChatGPT can crawl your Slack messages and use them in the c

Chasing Lost Languages

If humans have been talking for 200,000 years—for most of our species’ existence, that is—then an estimated half a million languages might have been spoken in all. To put that number in perspective, around 7,000 languages are spoken today. And because writing was only invented about 5,000 years ago, the vast majority of those half a million languages are lost to us, having been spoken in a preliterate world and died before they could be recorded. That’s half a million distinct systems of knowled