A picture taken on April 4 shows destruction at a hospital room in Khan Sheikhun, a rebel-held town in the northwestern Syrian Idlib province, following a chemical weapons attack. Omar Haj Kadour/AFP/Getty Images hide caption

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From sports, to politics, to the stock market, we love to make (and hear) predictions. This week, Hidden Brain explores why the so-called experts are so often wrong, and how we can avoid the common pitfalls of telling the future. Elise Amendola/AP hide caption

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Elise Amendola/AP

Google has announced it will no longer scan users' emails to target ads. Above, the company's headquarters in Mountain View, Calif., in 2015. Justin Sullivan/Getty Images hide caption

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Whole genome sequencing could become part of routine medical care. Researchers sought to find out how primary care doctors and patients would handle the results. Cultura RM Exclusive/GIPhotoStock/Getty Images/Cultura Exclusive hide caption

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Routine DNA Sequencing May Be Helpful And Not As Scary As Feared

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Doctors, nurses, patients and activists listen to Senate Minority Leader Chuck Schumer, D-N.Y., speak about Senate Republicans' health care bill on Friday at Bellevue Hospital in New York City. Schumer has vowed to help defeat the legislation, which the Congressional Budget Office scored on Monday. Spencer Platt/Getty Images hide caption

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Copies of Harry Potter and the Sorcerer's Stone, on sale in an Arlington, Virginia bookstore in 2000. Alex Wong/Getty Images hide caption

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On Harry Potter's 20th Anniversary, Listen To His NPR Debut

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Charles Camiel looks into the camera for a facial recognition test before boarding his JetBlue flight to Aruba at Logan International Airport in Boston. Robin Lubbock/WBUR hide caption

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Facial Recognition May Boost Airport Security But Raises Privacy Worries

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Martin Shkreli, the former Turing Pharmaceuticals executive, arrives for the first day of jury selection in his federal securities fraud trial Monday at U.S. District Court in Brooklyn, N.Y. Timothy A. Clary/AFP/Getty Images hide caption

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Coal and steel jobs were once plentiful in Steubenville, Ohio. Today, the local hospital is the top employer in the county. Courtesy of Rana Xavier hide caption

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Courtesy of Rana Xavier

After Decline Of Steel And Coal, Ohio Fears Health Care Jobs Are Next

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President Donald Trump and Indian Prime Minister Narendra Modi reach to shake hands during their meeting in the Oval Office on Monday. Concerns in New Delhi have centered on whether India will remain a priority relationship for the U.S. Evan Vucci/AP hide caption

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Trump And India's Modi Share Similarities, But A Host Of Issues Divides Them

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Senate Majority Leader Mitch McConnell, R-Ky., walks through the U.S. Capitol on Thursday following the release of a draft of the Senate Republicans' health care bill. An updated version was released on Monday. Saul Loeb/AFP/Getty Images hide caption

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Senate Republicans Alter Health Care Bill To Avoid 'Death Spiral'

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Dave Mullins (right) sits with his husband, Charlie Craig, in Denver. The owner of a cake shop refused to make a wedding cake for the couple, citing his religious beliefs, and the couple then filed with the state's civil rights commission. Brennan Linsley/AP hide caption

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