Word: orders
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...This is higher-order learning, and it takes multiple trials to learn," explains Sheryl Smith, a professor of physiology and pharmacology at Downstate. Prepubescent mice mastered the task quickly. Postpubescent mice also did quite well. But mice in the throes of puberty, which occurs at age 5 weeks, couldn't seem to get it through their furry little heads...
Sophisticated brain-scan studies by Jay Giedd at the National Institute of Mental Health (NIMH) have shown dramatic changes throughout the teenage years as excess gray matter is 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...
...might not think you would need to be armed to order a latte, but the Bay Area gun owners--who are loosely affiliated with a website called OpenCarry.org--are hoping to draw attention to what they see as a Second Amendment guarantee: the right to carry a gun without fear that it will be confiscated. In at least three states--including, oddly, Texas--it is illegal to carry a gun openly. The Supreme Court recently heard arguments in McDonald v. Chicago, a case that will decide whether state and local gun-control ordinances violate the Second Amendment. The court...
...master of the tall order. Bruce Graham, who died March 6 at 84, designed two of the biggest, most famous and most starkly beautiful buildings in the world, both for Chicago, where he spent almost his entire career at Skidmore, Owings & Merrill. In 1970 the 100-story John Hancock Center was a revolution in skyscraper design. Working with Skidmore's brilliant engineer Fazlur Khan, Graham conceived a tapering tower with an exterior system of structural supports, including massive X-braces that made its façade a knockout emblem of architectural force. In 1974 Graham and Khan produced another masterpiece with...
...like that on a draft of a paper was pretty extreme because thatâs the same punishment someone would have gotten if they had bought a paper online and used it for their final paper,â says the junior, who asked to remain anonymous in order to avoid the stigma associated with being forced to withdraw...