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Saturday Headlines: How to shrink your middle class.

Early this morning, Senate Republicans passed their tax bill, much to the joy of plutocrats and those who believe they're just a lottery ticket away from becoming one.

A pair of economists, one from each side of the aisle, discuss the finer points of the GOP tax plan—neither is convinced it will help the middle class.

Legal experts say the Flynn plea announcement likely signals testimony on someone further up the food chain.

“Basically, they’re saying, ‘Hey, if you don’t give us what our client wants, we’re going to put this very personal information out into the open, and the whole world is going to know the inner workings of your sex life.” In slut-shaming a female defendant, lawyer—and self-anointed progressive—David Boies exposed how the system works.

Conspiracy theories that HIV/AIDS is a myth continue to spread in Russia, where infection rates are on the rise, with 10 new cases reported an hour. Worldwide, rates of new cases are declining.

A Foreign Service Institute map shows how long it takes an English speaker to reach proficiency in other languages.

Kind of mindbending at first, then intuitive: How you should have been taught trigonometry.

Some speculative fiction: A machine learning program trained on the world's religious texts becomes God.

“‘I trust the science that’s out there, and I think it will be mostly OK,’ he said. Even if his auto-experimentation did wind up giving him cancer, he rationalized that it would be possible for a doctor to treat.” An interview with a biohacker who’s ignoring the FDA and experimenting on himself.

Ten issues that will decide the next decade of bioengineering, from 3D printing to gene drives.

Manhattan neighborhoods have genetically distinct rats, but all share common ancestry with rats from Western Europe.

A running list of places with Spanish names that are mispronounced by people in Texas (or rather, "tay-hoss").

"I learned that I should trust my instinct, because my instinct was to keep the Bitcoin." People, ages five to 60, name their life’s biggest mistake and what they learned.

A visual catalog of blank cassette tapes.