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advertisement advertisement advertisement The story of predictive policing begins in the 1990s with a process developed by the New York Police Department. Today New York is one of the safest big cities in America. In 2018, 289 people were murdered in the five boroughs. The city’s murder rate—3.31 per 100,000 people—was the lowest measured in 50 years advertisement advertisement In 1990, it was a different city: 2,245 people were murdered, a rate of around 31 per 100,000 (the city’s population increased markedly in the intervening 28 years). Here’s what the New York Times said about its hometown at the end of 1990: “The streets already resemble a New Calcutta, bristling with beggars. . . . Crime, the fear of it as much as the fact, adds overtones of a New Beirut. . . . And now the tide of wealth and taxes that helped the city make these streets bearable has ebbed. . . . Safe streets are fundamental; going out on them is the … [Read more...] about The black box of justice: How secret algorithms have changed policing

advertisement advertisement advertisement This week, the Trump administration announced that it would release all the available COVID-19 vaccines from its stockpile to ensure more people over the age of 65 can get a shot. The move followed President-elect Joe Biden’s declaration last week that he would release all the existing doses of the COVID-19 vaccine in order to get more people vaccinated faster. Both plans raise lots of questions for health researchers and public health experts. advertisement advertisement The two COVID-19 vaccines available in the U.S.—from Pfizer and Moderna—each require two doses to be effective. So far, doctors and nurses have been holding back one dose of the vaccine for every dose they administer in order to ensure that there is an available dose on hand when people come in for their second inoculation. However, some public health experts have suggested that all available vaccines should be … [Read more...] about The U.S. plans to release all the COVID-19 vaccines. Experts are worried

advertisement advertisement advertisement The mind-numbing inanity of last week’s GameStop hearing on Capitol Hill was just as predictable as the worthless result. Of course members of both parties wanted in on the media frenzy surrounding Robinhood and WallStreetBets, the Reddit forum where thousands of amateur investors mounted a historic campaign to pump (and dump) the stock of a left-for-dead video game retailer. Talking heads on CNBC were alarmed, and so the House Financial Services Committee ordered hearings, subpoenaed witnesses, and played for the cameras at every turn. By the end of last Thursday’s spectacle, the consensus was clear: We learned absolutely nothing. advertisement advertisement Not surprisingly, Congress focused on the wrong culprit. Yes, Robinhood’s marketing as “the platform for the average investor” ended up conflicting with their treatment of the average investor once they had to stop taking GameStop … [Read more...] about How to prevent the next GameStop disaster

advertisement advertisement advertisement Routines are comfortable. When you’re stressed out, you tend to fall back on your habits . Why? There are two intersecting reasons why habits feel so good. advertisement advertisement First, the brain is a prediction engine. You are most comfortable in situations in which you know what is going to happen next. Routines are situations that have happened so often that you know exactly how the events are going to unfold, and so the familiarity of a routine feels nice. Second, the brain wants to minimize the amount of energy it expends on any particular activity. The brain uses a lot of energy—about 20-25% of your daily energy expenditure—despite its small size. That energy use stays about the same no matter what you’re doing, so time is a good proxy for energy usage in the brain. The less time you spend thinking about something, the less energy your brain wastes on it. The best way to … [Read more...] about Your brain loves routines. Here’s how to build new and better ones