Mar 22 Great Pacific Garbage Patch weighs more than 43,000 cars and is much larger than we thought By Nsikan Akpan The Great Pacific Garbage Patch weighs 87,000 tons -- 16 times more than previous estimates -- and contains more than 1.8 trillion pieces of plastic, according to a new analysis. Continue reading
Mar 21 Watch 7:50 How 3D printing is spurring revolutionary advances in manufacturing and design By Miles O'Brien A young startup called Relativity is pushing space technology forward by pushing 3D printing technology to its limits, building the largest metal 3D printer in the world. And other major companies anxious to try these new ways of manufacturing, too. Continue watching
Mar 20 Puerto Rico went dark 6 months ago. Could a solar smart grid prevent the next energy disaster? By Nsikan Akpan Making renewables a mainstay in Puerto Rico will require more than solar panels and wind turbines. There's also a monopoly and Congress with which to contend. Continue reading
Mar 15 Our ancestors in East Africa were making sophisticated tools far earlier than we thought By Teresa Carey Three new studies rewrite the timeline on early human innovation and long-distance trade. Continue reading
Mar 15 Watch 3:11 To heal scorched bear paws, California vets craft a bio bandage By Julia Griffin In our NewsHour Shares moment of the day, when two black bears were burned in a California wildfire, veterinarians used a treatment never tried before on animals. Continue watching
Mar 14 Watch 9:37 Probing the universe’s mysteries, Stephen Hawking proved the power of the human spirit By Miles O'Brien Stephen Hawking overcame the loss of his working limbs and voice to become the best-known theoretical physicist of his era, upending the scientific consensus that nothing escapes the intense gravity of black holes. Earning countless honors, he used his fame… Continue watching
Mar 14 Stephen Hawking, explorer of the universe, dead at 76 By Nsikan Akpan Stephen Hawking, one of the world's most recognizable scientists, died early Wednesday morning. He was 76. Continue reading
Mar 14 Tired of extremely cold nor’easters? Arctic warming could be to blame By Nsikan Akpan A new study shows a strong relationship between Arctic warming and the most extreme winter weather in the eastern United States, dating back to 1990. Continue reading
Mar 10 The Cold War’s toxic legacy: Costly, dangerous cleanups at atomic bomb production sites By William J. Kinsella, The Conversation During the Cold War, the U.S. built nuclear weapons at a network of secretive sites across the nation. Some are still heavily polluted and threaten public health today. Continue reading
Mar 09 Watch 2:59 When an adventurous skater bends thin ice, this frozen lake sings By PBS News Hour In our NewsHour Shares moment of the day, Swedish photographer Henrik Trygg captured the eerie, beautiful sounds of bending ice when he filmed his friend Mårten Ajne skating on a freshly frozen lake. Continue watching