Mar 07 Watch 8:16 As climate change parches Somalia, frequent drought comes with conflict over fertile land By Jane Ferguson, Alessandro Pavone Desert sand is slowly taking over Somalia. Just six years after the last major drought emergency, the rains have failed again -- a devastating trend in a country where around 80 percent of people make their living on the land. Continue watching
Feb 28 Watch 8:49 To measure the prowess of North Korean missiles, researchers spy with open-source clues By Miles O'Brien As North Korean missiles fly farther and more frequently under Kim Jong-un, the outside world watches warily, using a network of early-warning radar, sensors and satellites that track the test weapons in real time. In the third installment of our… Continue watching
Feb 21 Watch 7:41 The science of measuring North Korea’s destructive nuclear power from afar By Miles O'Brien The Trump administration considers North Korea's nuclear and missile programs the top threat to American national security. How much do we really know about their nuclear devices? In the second of a series, science correspondent Miles O'Brien reports on how… Continue watching
Feb 14 Watch 7:45 This American scientist has seen North Korea’s nuclear program up close By Miles O'Brien How advanced is North Korea's nuclear weapons program? Just ask the few Western experts who have seen glimpses of the program and its evolution, like nuclear scientist Sig Hecker, who has visited seven times and given eye-opening access to their… Continue watching
Feb 06 Watch 5:09 Elon Musk wants to go to Mars. His reusable Falcon Heavy rocket is now one leap closer By PBS News Hour SpaceX launched the world’s most powerful rocket from the Kennedy Space Center in Florida on Tuesday, a successful liftoff brought to fruition by Elon Musk’s private company. Science correspondent Miles O’Brien joins John Yang to discuss the historical launch and… Continue watching
Jan 31 Watch 9:22 How will Oregon clean up diesel air pollution? By Cat Wise As many as 400 Oregon residents are estimated to die prematurely every year from exposure to diesel exhaust, a toxic carcinogen and a contributor to climate change. While new vehicles have emission requirements, there are no regulations for the older… Continue watching
Jan 24 Watch 9:05 Dolphins raised in captivity will soon get a new, more natural home By Miles O'Brien The National Aquarium in Baltimore is re-examining what counts as humane when it comes to the life of its dolphins. Facing increased disillusionment over such spectacles, the aquarium plans to move its dolphins to an enclosed outdoor sanctuary that mimics… Continue watching
Jan 17 Watch 8:54 Cracking down on poaching with 3D-printed fake turtle eggs By John Yang One of the world’s most endangered species, the sea turtle, is under threat from human encroachment and poaching. But a conservation biologist has developed a strategy that could help save them. By placing 3D-printed eggs with GPS trackers in nesting… Continue watching
Jan 10 Watch 7:49 Boston plans for climate change’s promise of more storms. Will it be enough? By Miles O'Brien An epic nor'easter, a full moon high tide and a rising sea all conspired to swallow up Boston with an icy cold winter flood. What has been a somewhat rare event is believed in the coming years to become much… Continue watching
Jan 03 Watch 8:41 This new treatment could make your next trip to the dentist more bearable By Cat Wise A new method of treating tooth decay using silver nitrate may make the pain, and expense, of traditional treatments obsolete. Special correspondent Cat Wise has the story. Continue watching