May 17 New Antarctic Marine Species Surprise Scientists By PBS News Hour An international team of researchers has found more than 700 new species in the extreme depths of Antarctica's Weddell Sea, surprising scientists who had thought the region was largely devoid of life. Continue reading
May 16 Watch Scientists, Students Study Space Storms in THEMIS Project High school students and teachers in Alaska are helping NASA scientists collect data for a mission that aims to learn more about the space weather that causes the aurora borealis, or northern lights. Continue watching
May 10 Watch Professor Touts Fossil Fuel Alternatives In the last installment of a series on climate change, a New York University physics professor who advocates carbon-free energy explains his perspective on wind power, solar fission and other technologies. Continue watching
May 10 Watch Collapse of Overpass in California Becomes Lesson in Construction An overpass near the Oakland-San Francisco Bay Bridge collapsed last month after a gasoline truck crashed into a guardrail and burst into flames. For an engineering professor, the incident has turned into a lesson for building safer structures. Continue watching
May 07 Watch Intel Works on Faster Computer Chip Technology Intel's new computer chip, due out later this year, uses hafnium rather than silicon in its transistors. This innovation will double the number of transistors that can fit on a chip, Intel says, leading to faster and more powerful computers. Continue watching
May 04 U.N. Panel Outlines Plan to Reduce Global Warming By Admin, PBS News Hour The world needs to significantly change its use of energy resources and cut greenhouse gas emissions in order to stem rising global temperatures, according to a U.N. climate report issued Friday. Continue reading
May 02 Watch Physicist Searches for Alternative Fuel Technologies Nobel Prize-winning physicist Steven Chu and his team of scientists received $500 million in February from energy company BP to develop clean biofuel technologies. As part of a series on climate change, the NewsHour profiles Chu's search for solutions to… Continue watching
May 01 Watch Energy Experts Debate Future Use of Coal In the fifth part of a series about how to deal with climate change, a coal industry advocate and the author of a book critical of the coal industry debate whether new coal technologies hold promise or peril. Continue watching
Apr 25 Watch Author Says Redirect Resources Against Climate Change Danish author and statistician Bjorn Lomborg discusses his proposal to redirect resources from a general fight against carbon emissions to specific efforts to mitigate the effects of climate change in vulnerable areas. Continue watching
Apr 18 Watch Technology Helped Virginia Tech Students Connect After Tragedy In the wake of shootings that left 33 members of their community dead, Virginia Tech students went to Web sites such as Facebook and MySpace to memorialize friends and make sense of the carnage. Continue watching