Dec 08 Watch Art of the Science Tattoo Author Carl Zimmer talks to Hari about his new book, "Science Ink."… Continue watching
Dec 08 What Happens To China if the U.S. Defaults on Its Debt? A security guard patrols outside the headquarters of the Bank of China in the Xidan shopping area of Beijing. Photo by Mark Ralston/AFP/Getty Images. Paul Solman frequently answers questions from NewsHour viewers and web users on business and… Continue reading
Dec 07 Watch A Possible Second Home for Humanity Found, but the Commute's Brutal Scientists have discovered a so-called "Goldilocks" planet with a temperature that is not too hot, not too cold, but maybe just right to support life. Correspondent Spencer Michels reports. Continue watching
Dec 06 Watch Newly Discovered Massive Black Holes Dwarf Previous Record Holders Astronomers recently discovered two massive black holes more than 300 million light years away. Nothing, not even light, can escape the pull of these black holes, which are each 10 billion times the mass of the sun. University of California,… Continue watching
Dec 05 Watch For Wind Energy's Future, Researchers Look High in the Sky The next major innovation in wind power might not involve big, white turbines dotting the countryside. KQED QUEST reports on research being done on "tethered airfoils" that could capture wind energy more efficiently that earthbound turbines. This report is part… Continue watching
Dec 05 Researchers Discover Monstrous Supermassive Black Holes Researchers have discovered a monster black hole that appears to be the most massive found to date, as massive as 21 billion suns. This is one of two black holes found in elliptical galaxies some 300 million… Continue reading
Dec 02 Quantum Entanglement Links Two Diamonds Usually a finicky phenomenon limited to tiny, ultracold objects, entanglement has now been achieved for macroscopic diamonds at room temperature Diamonds have long been available in pairs--say, mounted in a nice set of earrings. But physicists have now taken… Continue reading
Dec 01 Watch For Frequent Fliers, How Big a Concern Is Backscatter Body Scan Radiation? As millions of Americans take to the skies for holiday travel, some scientists have raised concerns about the small dose of ionizing radiation emitted by backscatter full-body scanners used to screen passengers at U.S. airports. In partnership with ProPublica, Miles… Continue watching
Dec 01 Behind the Backscatter: The Health, Security Implications of Body Scanners EmbedVideo(2089, 482, 304); On Thursday's NewsHour broadcast, Miles O'Brien reports on the safety of the latest backscatter body-scanning machines that are widely used in American airport security. Hari Sreenivasan caught up with Miles this week… Continue reading
Nov 30 Watch Behind the Backscatter Hari and Miles on the latest full-body security scanning machines. Continue watching