Nov 21 Watch Thailand Rebuilds After the Tsunami The tsunami that hit South Asia Dec. 26 destroyed local economies and tourist industries in Thailand. An update looks at the recovery efforts and the government's project to install an early warning system for tsunamis. Continue watching
Nov 10 Watch Light Bulb Technology A 35-year-old technology -- light emitting diodes or LEDs -- is getting a new life these days as a potential breakthrough for an even older technology -- the light bulb. Spencer Michels of the Science Unit provides a report. Continue watching
Nov 08 Watch Environmental Impact of Katrina A science unit report looks at the environmental cleanup in New Orleans after Hurricane Katrina inundated the city with filthy floodwater. Federal and state officials are at odds with environmental groups over the danger posed by toxins found in and… Continue watching
Nov 02 Watch The ANWR Drilling Debate In the past, Senate filibusters have blocked drilling in Alaska's Arctic National Wildlife Refuge. As Congress takes up the issue once more, a familiar debate is taking place among activists. Following a background report, two experts discuss drilling in the… Continue watching
Oct 20 Watch Investigating Broken Levees The Army Corps of Engineers sent a team of engineers to investigate the New Orleans levee failures after Hurricane Katrina. Continue watching
Oct 17 New Stem Cell Techniques Spare Embryos By PBS News Hour Two teams of researchers working independently announced Sunday that they discovered ways to create embryonic stem cells without destroying embryos, a development that scientists believe may make the field more politically and ethically acceptable. Continue reading
Oct 17 Watch Embryonic Stem Cell Tests A interview with health correspondent Susan Dentzer explains two new techniques for creating stem cells and the ethical and religious concerns surrounding them. Continue watching
Oct 14 Experts Debate Long-term Environmental Impacts of Katrina By Admin, PBS News Hour More than 193,000 barrels of oil -- some 7 million gallons -- spilled along the Louisiana coastline in August 2005 when Hurricane Katrina hit. Continue reading
Oct 12 China Launches Two Astronauts in Second Space Mission By PBS News Hour China successfully launched two astronauts into Earth orbit Wednesday two years after making its first foray into human spaceflight. Continue reading
Sep 23 Hurricanes Mark Unusual Spike in Already Active Storm Cycle By PBS News Hour Although residents of the Gulf Coast need little confirmation, meteorologists say 2005 is already an unusual year for the North Atlantic Ocean in terms of the number and strength of hurricanes originating there. Continue reading