Geoff Brumfiel en What Brought Down The Malaysian Airliner? Shortly after news broke that a Malaysia Airlines flight crashed in eastern Ukraine, suspicions began to swirl that the plane had been shot down. NPR's Geoff Brumfiel speaks with Audie Cornish about the feasibility that a missile brought down the airliner. <div class="fullattribution">Copyright 2014 NPR. Thu, 17 Jul 2014 20:27:00 +0000 Geoff Brumfiel 29335 at Physicists Crush Diamonds With Giant Laser Physicists have used the world's most powerful laser to zap diamonds. The results, they say, could tell us more about the cores of giant planets.<p>"Diamonds have very special properties, besides being very expensive and used for jewelrey etc.," says <a href="">Raymond Smith</a>, a researcher at <a href="">Lawrence Livermore National Laboratory</a> in California. "It's the hardest substance known to man."<p>And diamonds aren't just here on Earth. Thu, 17 Jul 2014 07:34:00 +0000 Geoff Brumfiel 29298 at Physicists Crush Diamonds With Giant Laser In A Lab Store Room, An Unsettling Surprise: Lost Vials Of Smallpox Scientists at the National Institutes of Health made an unpleasant discovery last week as they cleaned out an old laboratory: The lab contained vials of the smallpox virus, previously unknown to authorities. The vials have since been transferred to a secure lab at the federal Centers for Disease Control and Prevention in Atlanta. <div class="fullattribution">Copyright 2014 NPR. Tue, 08 Jul 2014 20:40:00 +0000 Geoff Brumfiel 28959 at World's Chemical Weapons Watchdog Clears Syria Transcript <p>MELISSA BLOCK, HOST: <p>This is ALL THINGS CONSIDERED from NPR News. I'm Melissa Block.<p>AUDIE CORNISH, HOST: <p>And I'm Audie Cornish. Syria has handed over the last of its declared chemical weapons. That's according to the world's chemical weapons watchdog. The move is a key step in a deal negotiated last fall, after the U.S. had threatened to conduct airstrikes against Syria. But many questions remain about Syria's use of chemical weapons and whether remnants of its chemical stockpile remain. Joining me to discuss all this is NPR's Geoff Brumfiel. Mon, 23 Jun 2014 20:07:00 +0000 Geoff Brumfiel 28355 at Dust Clouds Big Bang Signal In March, a team of physicists announced <a href="">it had found a signal from the very first moments after the Big Bang</a>. Fri, 20 Jun 2014 21:35:00 +0000 Geoff Brumfiel 28270 at Dust Clouds Big Bang Signal