Word: known
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Dates: during 2010-2019
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...pruned from the prefrontal cortex - the seat of higher-order thinking and making judgments (like not smoking weed right before your chemistry exam). Meanwhile, behavioral studies have shown what every parent already knows: teens have poor control over impulses and a tendency toward risk taking. Still, relatively little is known about how such changes affect learning or what happens at a biochemical level in the brain as teens go through their addled adolescence...
Overall, remarkably little is known about the relationship between developing brain anatomy and observed behavior like learning. It's a young field, and Smith's "very good study raises a lot of intriguing questions," says Giedd of the NIMH...
...finely tuned assembly line is the brainchild of Demand's co-founder Richard Rosenblatt. Best known as the CEO of Intermix Media, owner of MySpace, when the company was sold for $580 million to News Corp. in 2005, Rosenblatt says he learned from his experience with social networks that there were plenty of people producing reams of data online. "But only 1% of that was relevant to more than just people's friends," he says. "What if we could find a way to find those content creators, tell them what to write and create a broader audience...
...first NCAA men's basketball tournament, held back in 1939, had only eight teams. What a boring bracket. America's obsession with college basketball has helped the tournament, more colloquially known as March Madness, grow into a 65-team sports celebration. Every year die-hard fans and clueless cubicle dwellers alike navigate the maze of March Madness seeding brackets trying to predict the winner in their office pools. Last March, President Obama's bracket received as much scrutiny as his economic policies. The tournament season has grown so mad, in fact, that a cottage industry has sprouted around...
Mexico first needs to relocate its diplomatic mojo. In the 20th century it was known for being the interlocutor between the U.S. and Cuba and for heading the Contadora group of Latin nations that helped broker peace during the Central American civil wars of the 1980s. Many point to former Mexican President Vicente Fox's 2002 falling-out with Cuba as a cause of Mexico's foreign policy retrenchment. But ironically, says O'Neil, a major factor has been democratization. When Mexico was under the dictatorial rule of the Institutional Revolutionary Party (PRI) from 1929 to 2000, the government could...