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Tag Archives: Scientific American

When Hatred Goes Viral: Inside Social Media's Efforts to Combat Terrorism

On New Year’s Eve in 2015 local and federal agents arrested a 26-year-old man in Rochester, N.Y., for planning to attack people at random later that night using knives and a machete. Just before his capture Emanuel L. Lutchman had made a video—to be posted to social media following the attack—in which he pledged his allegiance to the Islamic State ...

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Interviews May Lead Us Astray When Hiring Someone

When employers are hiring, interviewing candidates is pretty much a given. Yet that practice may be overrated. Research has shown that unstructured interviews, in particular, do not inform an employer much and can actually hurt if one already has more objective data such as standardized test scores. A new study reports that interviews do not just make us less accurate ...

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Iron-Dumping Ocean Experiment Sparks Controversy

Marine scientists are raising the alarm about a proposal to drop tonnes of iron into the Pacific Ocean to stimulate the growth of phytoplankton, the base of the food web. The non-profit group behind the plan says that it wants to revive Chilean fisheries. It also has ties to a controversial 2012 project in Canada that was accused of violating an ...

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Virtual Reality May Reveal New Clues About Autism Social Difficulties

You’re walking down a narrow corridor. Someone is walking toward you, so you step to one side. But in that moment, they step to the same side. You make eye contact, grin awkwardly and then, without a word, negotiate a way around each other. Our lives are full of these delicate social dances. Whether we’re having a conversation, playing a ...

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FDA Clears First Cancer Drug Based on Genetics of Disease, Not Tumor Location

By Natalie Grover and Bill Berkrot Merck & Co’s immunotherapy Keytruda chalked up another approval on Tuesday as the U.S. Food and Drug Administration said the cancer medicine can be used to treat children and adults who carry a specific genetic feature regardless of where the disease originated. It is the first time the agency has approved a cancer treatment ...

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Why Can't Scientists Talk Like Regular Humans?

Once upon a time, I was a talker. I didn’t do much shutting up. But while this annoyed some (many), it often worked out for me. I was good at having conversations with people—at talking to any and everyone as if they were my equals. And then, a few years ago, I became a scientist. I couldn’t tell you how ...

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A Loud Warning: Millions of People Do Not Protect Their Ears

Modern life can be deafening. Yet even though many people know that they should use earplugs or earmuffs when mowing the lawn or partying at the club, they do not do so, according to a sweeping analysis by Harrison Lin, an ear surgeon at the University of California, Irvine, Medical Center and his colleagues. They also found that a large ...

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What Does the Food and Drug Administration Do?

Last week the president of the United States met with a group of CEOs from pharmaceutical companies and promised to drastically cut regulations instated by the Food and Drug Administration (the FDA) by 75-80%.   The president has also issued anexecutive order , applicable across all federal agencies, stating that for every new regulation issued, at least two existing regulations must be ...

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Chocolate Linked to Decreased Risk of Irregular Heart Rhythm

By Andrew M. Seaman Eating a small amount of chocolate every week or so may decrease the risk of a common and serious type of irregular heart rhythm, according to a new study of people in Denmark. People who ate chocolate one to three times per month were about 10 percent less likely to be diagnosed with atrial fibrillation than ...

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Fitness Bands Fail on Calorie Counts

Fitness bands like the Apple Watch and the Fitbit aim to track your vitals, like heart rate. But early models weren’t all that accurate . “We thought of them a little bit like random number generators. They really didn’t seem to be providing anything that bore any relationship to heart rate.” Euan Ashley, a cardiologist who studies wearables at Stanford ...

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