• Many of this year's high school grads may not be college-ready, test scores suggest

    Many of this year's high school grads may not be college-ready, test scores suggest

    Aug 24, 2016 08:45 PM EST

    WASHINGTON — The latest scores from the ACT college entrance exam suggest many of this year's high school graduates aren't ready for college-level course work. In its annual score report released Wednesday, the testing company said only 38 percent of graduating seniors who took the exam hit the ...

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    Community Colleges Struggling With Spreading the Knowledge

    Jun 21, 2012 10:28 PM EST

    ... RAY SUAREZ: Now, why some community colleges are rethinking their approach to basic courses. The schools have long been a place where students are required to fill in gaps in their high school educations, but there are important questions about how well it works. And now there's a ...

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    A Matter of Record

    Feb 10, 2004 05:00 AM EST

    KWAME HOLMAN: Dormant since the 2000 campaign, questions about President Bush's military service during the Vietnam War have resurfaced. According to military records and press reports, after graduating from Yale University in 1968, George W. Bush joined the Texas Air National Guard at the height of the Vietnam War ...

  • 5 years later, Fukushima radiation continues to seep into the Pacific Ocean

    5 years later, Fukushima radiation continues to seep into the Pacific Ocean

    Mar 09, 2016 06:57 PM EST

    ... similar happen here. We can’t simply cast our lot on good fortune. Instead, we need to do everything we can to fill the knowledge gaps that have the potential to do great harm in the wake of disaster. Watch Miles O'Brien's piece on Fukushima radiation contamination and ...

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    Sting Uncovers Gaps in Government Oversight of Dirty Bomb Components

    Jul 12, 2007 08:40 PM EST

    ... procedures.Dirty bombs use conventional explosive devices to spread radioactive material, so while the casualties from such an event would be relatively low, the dispersed radiation would present a lingering threat to the area.According to Sen. Norm Coleman, R-Minn., who requested the investigations, "the economic and psychological effects ...

  • South Pole's ozone hole shrinks to smallest since discovery

    South Pole's ozone hole shrinks to smallest since discovery

    Oct 22, 2019 06:09 PM EST

    ... That means more ozone over the hemisphere, less ultraviolet radiation at the surface." Earth's ozone layer shields life on the surface from harmful solar radiation, but man-made chlorine compounds that can last in the air for 100 years nibble at the ozone, creating thinning and a gap over ...

  • Neutron star collision offers new source of gravitational waves

    Neutron star collision offers new source of gravitational waves

    Oct 16, 2017 02:00 PM EST

    ... same, but for the neutron stars, it takes time. As the stars swirled around each other, they began losing angular momentum which slowly closed the gap between them. Previous observations of black holes showed the merger happening in an audible “chirp” that lasted less than a second. Black holes quickly ...

  • Manga aims to give voice to Fukushima reactor workers

    Manga aims to give voice to Fukushima reactor workers

    May 22, 2014 09:36 PM EST

    ... Kazuto Tatsuta, spent six months working for a subcontractor at the Fukushima plant in 2012, before resigning once he reached the legal annual limit of radiation exposure. Once off the site, he decided to give his extensive memories form through artwork, bringing to life what many say is an accurate ...

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    Teens Dealing with Cancer Find an Ally in The Who's Daltrey

    Jan 11, 2012 10:46 PM EST

    ... six months swirled around one central phrase: Hodgkin's lymphoma. To most teenagers, simply: cancer. Seven years later, it's not the memory of chemotherapy, radiation or hair loss that sticks with Reilly most. It's the loneliness of that time -- the worried stares, isolation and realization that programs available ...

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    Earthquake Prediction: Could We Ever Forecast the Next Big One?

    Oct 20, 2011 10:35 PM EST

    Hundreds of cities on the U.S. West Coast took part in the 2011 Great California ShakeOut earthquake drill on Thursday, just hours before a small tremor hit the San Francisco Bay Area. Science correspondent Miles O'Brien reports from Japan on efforts to predict big quakes before they hit.