The Federal Reserve raised its benchmark interest rate by half a percentage point.

https://niceboy.online/insight/public/Espresso/Espresso_December_15,_2022.html

https://metafo.github.io/TheEconomistEspresso/Espresso_December_15,_2022.html

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(14 Dec 2022) Here are the top stories for Wednesday, Dec. 14: Biden pitches US as key partner to Africa; Fed raises key interest rate by half-a-point; Survivors of Colo. gay nighclub shooting testify on Capitol Hill; Connecticut senators mark 10-years since Sandy Hook shooting.

https://www.youtube.com/watch?v=D7N4-y9M6nI

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America’s core consumer price index, a measure of inflation excluding food and energy costs, rose by just 0.2% in November, its second straight month at a subdued level.

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(12 Dec 2022) Here’s the latest for Monday, December 12: Libyan accused of bombing Pan Am Flight 103 in 1988 in federal court; Richmond removes last Confederate statue; Washington, D.C., to make bus fare free; President and first lady help Toys for Tots.

https://www.youtube.com/watch?v=cpna9gV9LPM

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Ukrainian forces struck the occupied city of Melitopol in the south-east with a missile barrage.

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https://www.scientificamerican.com/podcast/episode/tardrigrades-an-unlikely-sleeping-beauty/

Ashleigh Papp: This is Scientific American’s 60-Second Science. I’m Ashleigh Papp.

Papp: Imagine a little critter that isn’t quite an insect or an animal. It’s about one millimeter in length, shaped like a gummy bear with eight legs and covered in tough, almost crunchy-looking scales. Ladies and gentlemen, meet the tardigrade!

Jessica Ehmann: They basically look like, more or less, something between a worm and a bear with more legs. They get the name water bears from their lumbering gait that—when they walk, they kind of sway from side to side, which is quite cute.

Papp: That’s Jessica Ehmann (“ee-mahn”), a research scientist and former student researcher at the University of Stuttgart in Germany, and she's pretty obsessed with the water bear.

Ehmann: So that’s basically when I fell in love with the tardigrade, because it sat there under my binoculars, and it got up in the front of the body, and it was waving at me.

Papp: Tardigrades have been around for even longer than the dinosaurs—by, like, 200 million years. And over all of this time, they’ve developed some pretty nifty ways to survive harsh environmental conditions. When things get too dry or too cold, a tardigrade can lower its metabolism to nearly zero and go dormant for years.

Ehmann: They take all their arms, and they pull them inside, and you can’t see their arms anymore; they just look like small tongues. And they, like, pull in all their extremities. And then they slow down their metabolism, basically, to a standstill.

Papp: And then, when conditions are right again, they wake up and go on with their life, almost like Sleeping Beauty lying asleep for a century before her prince arrives.

Papp: Here’s why that matters. Researchers are really interested in what happens to tardigrades while they’re in that dormant state, which they call “cryptobiosis.” If nearly everything can be turned off and then, decades later, turned back on and fully functional, the tardigrade and its internal clock may hold the keys to that Disney princess hibernation palace that we’ve been searching for. 

Papp: A previous study from 2008 by some of Ehmann’s colleagues at Stuttgart investigated how long tardigrades can survive in crazy dry conditions. So Ehmann took a similar approach. But this time, she turned the temp down—like, subzero down. 

Papp: She and her colleagues used tardigrades of the same species and divided them into four groups. Group one, the control group, enjoyed ambient temperatures, which gave the researchers a baseline for their general survival rates and how long they live under these normal temp conditions.

...

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Arizona’s senator Kyrsten Sinema said she would leave the Democratic Party and become an independent, just days after the Democrats won an expanded majority of 51-49 in the Senate

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