Technologies

Oldest fossil footprints in North America are teaching us about early humans

The footprints were found in 2009, but a recent analysis of seeds trapped in them reveals their age.

Fossil footprints found in New Mexico’s White Sands National Park in 2009 now prove that humans were walking across North America around 23,000 years ago. A recent analysis of seeds trapped in the fossils helped scientists at the U.S. Geological Survey date the footprints, which may help prove when people first arrived in the Americas. The analysis is explained in a study published this week in the journal Science.

Scientists believe ancient humans came to the Americas via a land bridge, now submerged, that once connected current Siberia to Alaska. But the exact date the earliest humans made it here is still unknown, and scientific estimates vary.

These fossils help narrow it down, indicating that the prints were made sometime between 22,800 and 21,130 years ago. That upends a previous theory that early humans didn’t make it south of Canada until glaciers melted between 16,000 and 13,500 years ago.

Before the seeds helped date these footprints, the oldest print known in the Americas was found in Chile in 2011, and was only (only!) 15,600 years old.

David Bustos, a resource program manager at White Sands National Park, was the first to spot the prints in 2009.

«We knew they were old, but we had no way to date the prints before we discovered some with (tiny seeds from aquatic plants) on top,» he told the Associated Press.

The footprints are so fragile, researchers had to be careful examining them.

«The only way we can save them is to record them — to take a lot of photos and make 3D models,» Bustos said.

The size of the footprints indicates most were probably made by children and teenagers.

Technologies

The Most Exciting Video Game Rumors and Leaks Ahead of 2026

Technologies

Today’s NYT Mini Crossword Answers for Wednesday, Dec. 17

Here are the answers for The New York Times Mini Crossword for Dec. 17.

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

Need some help with today’s Mini Crossword? Read on. And if you could use some hints and guidance for daily solving, check out our Mini Crossword tips.

If you’re looking for today’s Wordle, Connections, Connections: Sports Edition and Strands answers, you can visit CNET’s NYT puzzle hints page.

Read more: Tips and Tricks for Solving The New York Times Mini Crossword

Let’s get to those Mini Crossword clues and answers.

Mini across clues and answers

1A clue: Nod (off)
Answer: DOZE

5A clue: Naval submarine in W.W. II
Answer: UBOAT

7A clue: Tricky thing to do on a busy highway
Answer: MERGE

8A clue: Heat-resistant glassware for cooking
Answer: PYREX

9A clue: Put into groups
Answer: SORT

Mini down clues and answers

1D clue: Break up with
Answer: DUMP

2D clue: Falls in line, so to speak
Answer: OBEYS

3D clue: Legendary vigilante who cuts a «Z» with his sword
Answer: ZORRO

4D clue: Rarin’ to go
Answer: EAGER

6D clue: Common reminder for an upcoming appointment
Answer: TEXT

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Technologies

You Can Watch an Exclusive Avatar: Fire and Ash Scene on TikTok Right Now

Disney and TikTok partner on an immersive content hub for James Cameron’s latest movie about the alien Na’vi.

If you’re not quite ready to head to the theater to watch Avatar: Fire and Ash, an exclusive scene preview might sell you on the visual spectacle. As part of a new collaboration with the social media giant, Disney is posting snippets of its new movie to its TikTok account.

This scene isn’t part of any trailer and won’t be posted to other social media accounts, making TikTok the only place you can view it — unless you buy a movie ticket. A first look at the new movie’s scenes isn’t the only Avatar-related bonus on the social media platform right now, either. TikTok has partnered with the house of mouse to bring an entire «immersive content hub» to the app.

A special section of TikTok includes quizzes and educational videos that explore the alien world of Pandora shown off in the movies. On TikTok, you can take a personality quiz to find out what Na’vi clan you most closely align with and unlock a special profile picture border to use on your account.

Science and fiction blend together with a series of videos from real doctors who explain the basis for some of Avatar’s world-building. If you want to learn about exoplanets or how realistic the anatomy of the movie’s alien animals is, these videos will feed your brain while still providing entertainment value.

Perhaps the most enticing part of Disney’s latest social media collaboration is the opportunity for fans to win prizes and trips. TikTok creators who make edits with the #TikTokAvatarContest hashtag are entered into a competition to win Avatar merchandise. The biggest winners will be able to take a trip to visual effects studio Wētā Workshop in New Zealand or visit Avatar director James Cameron’s Lightstorm Entertainment Studio in Los Angeles.

Avatar: Fire and Ash is the third installment in director Cameron’s cinematic passion project. While the first Avatar movie was released in 2009, Cameron didn’t release another entry in the franchise until 2022. In total, there is a five-movie arc planned for the indigo alien Na’vi on the moon of Pandora.

The Avatar movies are known for pushing the boundaries of CGI visual effects in cinema. They are also historically big winners at the box office: the original Avatar is the highest-grossing film of all time, earning $2.9 billion across its theatrical releases. Its sequel, Avatar: The Way of Water, is the third-highest-grossing film of all time, trailing Avengers: Endgame. You can stream those movies on Disney Plus.

It remains to be seen whether Avatar: Fire and Ash will financially live up to its predecessors. The film currently has mixed reviews from critics on Rotten Tomatoes.