Explain This Jawn

[Explain This Jawn @ExplainThisJawn]

Punch the monkey update: the baby macaque the internet cried over is now 1, out of his toy phase, and play-wrestling with friends in a new zoo video. Where Punch is now:

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UPDATE (Part 4): The FAA lifted the nationwide ground stop at ~8:15 PM ET after 4+ hours. Nearly 5,000 flights cancelled. Sec. Duffy blames overloaded, "incredibly old" routers. What broke:

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Part 3: The FAA put a new AI tool in all 22 air traffic control centers 3 days before every US flight got grounded. Officials haven't linked them. What's real vs rumor tonight:

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UPDATE (Part 2): US flights still grounded as of 6:05 PM ET. The FAA now calls it a temporary telecommunications outage, and DHS says no sign of a nefarious act so far.

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Every US flight was grounded today. The FAA ordered a nationwide ground stop at 3:54 PM ET over a communications problem at air traffic control centers. Here's what we know (Part 1).

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Google and Samsung opened preorders today for Gemini smart glasses, from $395, on sale Dec 10. A 12MP camera, 4 mics, 2 speakers, about 41 grams, and no screen: Gemini answers by voice. Google Glass cost $1,500 and was pulled in 2015. Would you wear a camera on your face?

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A 17-year-old lost for 6 days in the Australian bush was found alive Thursday. A police helicopter crew spotted a tackle box, zoomed in, and saw him by a creek, about 2 km from where he was last seen. His mom says he's "grounded for life." Stay put or keep walking?

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U.S. home sales just fell to a 16-year low: down 5.5% in October to the slowest pace since 2010, the Realtors say. Mortgage rates averaged 7.33% (Freddie Mac). Prices still hit an October record, about $417,000. Frozen market, not a crash. Buy now, or wait for rates to drop?

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Watching someone yawn is enough to make about half of adults yawn too. And you might feel one coming right now. Did you yawn watching this? 👇
#explained #explainthis #yawning #brain #science

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Jensen Huang has resigned as Nvidia CEO, effective immediately, Nvidia announced Thursday. CFO Colette Kress is interim CEO. Nvidia gave no reason. The stock fell more than 13% at the open (CNBC). Earnings are Tuesday. Should a founder lose his company over this?

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The polar vortex just broke down earlier than ever recorded, CNN reports (old record: Nov 28). The eastern US runs 7 to 14°F below normal this week. But NOAA's outlook still favors a milder winter up north thanks to a very strong El Niño. Team snow day or team mild winter?

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Swallowed gum does not sit in your stomach for seven years. Most of the time, it's gone in a few days. Did you believe the seven-year gum myth? 👇
#explained #explainthis #gum #myths #science

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United Airlines just banned AI agents from booking its flights. Bots can still search fares, but new rules dated Nov 11 let United cancel a ticket a bot booked. CEO Scott Kirby: "To be honest, I don't want to create another middleman." Would you trust an AI with your card?

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Chipotle will give you a free second entrée this Friday the 13th for showing a tattoo, even one you drew on with a pen. 3 to 4 p.m. local time, in the restaurant only, staff decide. Would you draw one on?
#chipotle #fridaythe13th #explained

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It's the weirdest scoring system in sports, and nobody has fixed it in 500 years.

Should tennis just count 1, 2, 3?

Source: Wikipedia, "Tennis scoring system"; Britannica; Online Etymology Dictionary.

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Tennis jumps from 15 to 30 to 40, and the best explanation is a medieval clock face.

It's the leading theory, though nobody has proven it. Here's how it works:

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And love for zero? The popular story says it's l'oeuf, French for egg, because a zero looks like one.

A lot of historians doubt that. They say it comes from playing for love, meaning for nothing.