Feb 01 Watch Extended Interview: Dr. Stephen Helfand Scientists have isolated a series of genes found in many different plants and animals that seem to control the aging process. Dr. Stephen Helfand, professor at the University of Connecticut, discusses how the genes can lead to organisms living longer… Continue watching
Feb 01 Watch Extended Interview: Eri Gentry Long ago, scientists discovered a connection between restricting calorie intake and increased lifespans in rats. A more recent discovery of certain "anti-aging" genes has revealed a similar effect. Eri Gentry explains her decision to cut her calorie intake by two-thirds… Continue watching
Feb 01 Watch Dying Coral Reefs Some scientists are concerned that overfishing, pollution and global warming are killing parts of the world's coral reefs. Correspondent Betty Ann Bowser explores what is being done to save the reefs in part one of a two-part series. Continue watching
Jan 25 Watch Peace Prize Winner: Wangari Maathai Kenyan environmentalist Wangari Maathai, the first African woman to win a Nobel Peace Prize, sits down with Jeffrey Brown about her ecology work and social activism. Continue watching
Jan 14 Watch European Space Agency Probe Lands on Saturn’s Moon, Titan A European Space Agency probe landed on Saturn's planet-sized moon Titan on Friday. Jeffrey Brown talks with Shaun Standley, the Huygens probe operations engineer for the ESA. Continue watching
Jan 12 Watch Indonesia Imposes Travel Restrictions on Aid Workers and Journalists Indonesia's government imposed travel restrictions on aid workers in tsunami-hit Aceh province on Wednesday, saying many areas of the province are unsafe due to the ongoing separatist struggle. Two professors of South Asian politics discuss how politics is affecting the… Continue watching
Jan 11 Watch Developing a Global Tsunami Warning System A NewsHour Science Unit report looks at the technology needed to warn people of tsunamis before they strike. Continue watching
Jan 07 Watch Relief Efforts Continue in Aceh Province, Indonesia Some 7,000 new corpses were discovered in Indonesia Friday as relief organizations, assisted by military units from around the world, made headway in delivering food to tsunami victims. Continue watching
Jan 07 Watch Tsunami Aftermath — How Disasters Affect Societies The author of a book about the famous 1883 volcanic explosion of Krakatoa and the devastating tsunamis that followed in Indonesia discusses the far reaching role that such disasters play in societies. Continue watching
Dec 30 Watch Recovery Efforts in Tsunami-Hit Indonesia Indonesia's death toll from the earthquake and ensuing tsunamis jumped from 45,000 to 80,000 in one day. Following a report from a journalist who just returned from northern Sumatra, the Indonesian ambassador to the U.S. discusses what his country is… Continue watching