Technologies

76 Million-Year-Old Fossil Fills Long-standing Gap In T. Rex History

Nicknamed «Sisyphus,» this specimen was incredibly difficult to nudge it out of its ancient resting place.

Ask anyone to name three dinosaurs in five seconds, and I guarantee you Tyrannosaurus Rex will make the list. Whether it be because of Jurassic Park’s murderous scenes or humanity’s deep obsession with ancient predatorial kin, the T. Rex has become something of a cultural icon.

Yet, despite the level of detail we have about this tiny-armed reptile itself, scientists surprisingly don’t know much about the rest of T. Rex’s family. A wealth of questions remain about the ancestral tree that sprouted this vicious, quintessential dinosaur — though paleontologists with the Badlands Dinosaur Museum in North Dakota say we may have some answers, at last.

In a paper published Friday in the journal Paleontology and Evolutionary Science, paleontologists Elias Warshaw and Denver Fowler report the discovery of a 76.5 million-year-old fossil that they believe belonged to one of T. Rex’s ancestors, a species now known as Daspletosaurus wilsoni.

And this dinosaur, expected to have lived during the Cretaceous period, seems to have been just as ferocious as its famous descendant. D. wilsoni, which literally translates to «Wilson’s frightful reptile,» after John P. Wilson who found the specimen to begin with, likely once had expended air pockets in its skull, a blue-grayish coloring, a set of sharp teeth and an elongated eye socket — rimmed with horns.

But in short, locating this species is a big deal for scientists because its existence could provide the «missing link» in T. Rex’s family backstory, bridging a longstanding gap between older and younger tyrannosaur species named Daspletosaurus torosus and Daspletosaurus horneri, which lived about 77 to 75 million years ago, respectively.

«Since the 1990s,» Warshaw and Fowler wrote in a statement, «debate has surrounded Daspletosaurus, a large tyrannosaurid known from Montana and Alberta, which has been proposed to be an ancestor of T. rex itself.»

But according to the statement, reconstructing the evolutionary relationships of Daspletosaurus has been hampered by the rarity of good specimens, and many researchers are still engaged in debate as to whether these tyrannosaurids represent a single lineage evolving in place or several closely related species from various lineages.

«We can now see that many of these species are actually very finely separated in time from each other,» the statement reads, «forming consecutive ladder-like steps in a single evolutionary lineage where one ancestral species evolves directly into a descendant species.»

The team even named its fossil find «Sisyphus,» after the mythical Greek king who was punished for cheating death. As the tale goes, Sisyphys’ punishment was to roll a giant boulder up a hill only for it to roll back down the hill every time he got close to the top. This seemingly horrid endeavor lasted for an eternity.

«The holotype skull and partial skeleton, BDM 107, is nicknamed ‘Sisyphus’ after the seemingly endless task of removing over 25 feet (8 meters) of rock which lay on top of the bones,» the researchers said.

It was Badlands Dinosaur Museum crew member Jack Wilson who spotted the skeleton in the first place in 2017 — a small, flat piece of bone was peeking out from the bottom of a towering cliff. Upon close examination, that little bit of evidence turned out to be part of the dinosaur’s nostril. And so the dig began, culminating in 2021 with an exquisite tyrannosaurus-type animal figure.

«These findings,» the researchers said, «suggest that previous research was correct in identifying several species of Daspletosaurus as a single evolving lineage, and supports the descent of T. rex from this group.»

Technologies

You’ll Soon Be Able to Buy Walmart Products Through ChatGPT

OpenAI’s chatbot already connects to Etsy and Shopify. Now you can buy bananas too.

OpenAI and Walmart will soon offer shopping via AI through ChatGPT, the retail giant said in a press release on Tuesday.

While using ChatGPT’s Instant Checkout feature, customers can buy groceries, electronics or other essentials within the chatbot interface.

Walmart has its own AI assistant in its app named Sparky. With Sparky, customers can ask questions about products and get summaries of reviews to find the best item.

Don’t miss any of our unbiased tech content and lab-based reviews. Add CNET as a preferred Google source.

«For many years now, e-commerce shopping experiences have consisted of a search bar and a long list of item responses. That is about to change,» Walmart CEO Doug McMillon said in a statement. «There is a native AI experience coming that is multi-media, personalized and contextual. We are running towards that more enjoyable and convenient future with Sparky and through partnerships including this important step with OpenAI.»

When asked for comment, Walmart referred to its press release. Walmart also said it wouldn’t discuss the financial terms of the agreement at this time.

«We’re excited to partner with Walmart to make everyday purchases a little simpler. It’s just one way AI will help people every day under our work together,» OpenAI CEO Sam Altman said in a press release.

OpenAI referred to Walmart’s press release when asked for comment.

The latest deal with Walmart comes as OpenAI tries to make ChatGPT an all-in-one shopping experience. AI chatbots are increasingly being used as vehicles for online shopping. They can synthesize reviews from across the internet and give people direct answers to shopping questions. Already, ChatGPT connects with Etsy and Shopify with its Instant Checkout feature, allowing people to buy directly. OpenAI also added more shopping features in ChatGPT Search earlier this year.

(Disclosure: Ziff Davis, CNET’s parent company, in April filed a lawsuit against OpenAI, alleging it infringed Ziff Davis copyrights in training and operating its AI systems.)

Technologies

OpenAI Will Loosen ChatGPT’s Mental Health Guardrails and Allow Erotica for Adult Users

Sam Altman said the company will ease limits for adults after rolling out age verification.

ChatGPT is treading cautiously right now, but the chatbot may become more risqué by the end of the year.

In recent weeks, the generative AI chatbot has been operating under somewhat stringent limitations, as OpenAI tried to address concerns that it was not handling sensitive mental health issues well. But CEO Sam Altman said in a post on X Tuesday that the company would ease some of those restrictions because it’s «been able to mitigate the serious mental health issues.»

Though Altman didn’t elaborate on what tools are being used to address the problem, OpenAI recently announced new parental controls in ChatGPT.

CNET reached out to OpenAI for details, but the company did not immediately respond to a request for comment. (Disclosure: Ziff Davis, CNET’s parent company, in April filed a lawsuit against OpenAI, alleging it infringed Ziff Davis copyrights in training and operating its AI systems.)

Other changes are also expected. Altman said the company could allow «erotica» for verified adult users as it implements an «age-gating» system, or age-restricted content, in December. The mature content is part of the company’s «treat adult users like adults» principle, Altman said.

Altman’s post also announced a new version of ChatGPT in the next few weeks, with a personality that behaves more like the company’s GPT-4o model. Chatbot users had complained after the company replaced 4o with the impersonal GPT-5 earlier this year, saying the new version lacked the engaging and fun personality of previous chatbot models.

«If you want your ChatGPT to respond in a very human-like way, or use a ton of emoji, or act like a friend, ChatGPT should do it (but only if you want it, not because we are usage-maxxing),» Altman wrote.

Don’t miss any of our unbiased tech content and lab-based reviews. Add CNET as a preferred Google source.

After OpenAI was sued by parents who alleged ChatGPT contributed to their teen son’s suicide, the company imposed an array of new restrictions and changes, including parental controls, alerts for risky behavior and a teen-friendly version of the chatbot. In the summer, OpenAI implemented break reminders that encourage people to occasionally stop chatting with the bot.

On Tuesday, the company also announced the creation of a council of experts on AI and well-being, including some with expertise in psychology and human behavior.

This comes as lawmakers and regulators are ringing the alarm on the risks AI tools pose to people, especially children. On Monday, California Governor Gavin Newsom signed new restrictions on AI companion chatbots into law. Last month, the Federal Trade Commission launched an investigation into several AI companies, including OpenAI.

Technologies

Today’s NYT Strands Hints, Answers and Help for Oct. 15 #591

Here are hints — and the answers — for the NYT Strands puzzle for Oct. 15, No. 591.

Looking for the most recent Strands answer? Click here for our daily Strands hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections and Connections: Sports Edition puzzles.

Today’s NYT Strands puzzle is a fun one, once you understand the theme. Some of the answers are a bit tough to unscramble, so if you need hints and answers, read on.

I go into depth about the rules for Strands in this story.

If you’re looking for today’s Wordle, Connections and Mini Crossword answers, you can visit CNET’s NYT puzzle hints page.

Read more: NYT Connections Turns 1: These Are the 5 Toughest Puzzles So Far

Hint for today’s Strands puzzle

Today’s Strands theme is: Going up?

If that doesn’t help you, here’s a clue: Not an escalator, but…

Clue words to unlock in-game hints

Your goal is to find hidden words that fit the puzzle’s theme. If you’re stuck, find any words you can. Every time you find three words of four letters or more, Strands will reveal one of the theme words. These are the words I used to get those hints but any words of four or more letters that you find will work:

ROTATE, LOBE, NOPE, RATS, STAR, SAME, LOSE, VOTE, BUTTE, SAMS, BAMS

Answers for today’s Strands puzzle

These are the answers that tie into the theme. The goal of the puzzle is to find them all, including the spangram, a theme word that reaches from one side of the puzzle to the other. When you have all of them (I originally thought there were always eight but learned that the number can vary), every letter on the board will be used. Here are the nonspangram answers:

ALARM, OPEN, CLOSE, LOBBY, GROUND, BASEMENT

Today’s Strands spangram

Today’s Strands spangram is ELEVATORBUTTONS. To find it, look for the E that’s three letters to the right on the bottom row, and wind straight up, and then straight down.