Sep 19 FDA Hearings, New Research Reignite BPA Controversy By PBS News Hour The U.S. Food and Drug Administration reiterated its position in a hearing this week that the chemical bisphenol A, used in many plastic household products, is safe in low levels. Continue reading
Sep 17 Watch Minneapolis Bridge Reopens Following Last Year’s Deadly Collapse Thirteen months after a bridge collapse killed 13 people in Minnesota, a new 10-lane structure reopens to traffic Thursday morning. Fred de Sam Lazaro reports on the engineering behind the I-35W's multi-million-dollar reconstruction. Continue watching
Sep 12 Hurricane Forecasters Wrestle With Uncertainty to Track Tricky Storms By PBS News Hour By Friday morning there was little question as to the direction of Hurricane Ike's path -- the storm was gaining strength as it barreled toward Texas, and storm surges had already begun to batter the coastal city of Galveston. Continue reading
Sep 10 Watch Scientists Celebrate Breakthrough With Particle Collider In an effort to understand some of the basic tenets of physics, scientists and engineers fired a beam of protons around a 17-mile tunnel Wednesday -- a successful first run for the world's most powerful particle accelerator. Brian Greene, host… Continue watching
Sep 10 Watch Scientists Track Source of Salmonella Outbreak Mystery A salmonella outbreak in May sparked a lengthy investigation that first called tomato crops the culprits, causing farmers to lose $100 million, and later found the true source to be Mexican peppers. Tom Bearden reports on the salmonella probe. Continue watching
Sep 10 Scientists Celebrate as Particle Collider Passes First Test By PBS News Hour Scientists fired a beam of protons around a 17-mile, multi-billion dollar track today -- a successful first run for the world's most powerful particle accelerator. Continue reading
Sep 05 Genetic Map of Cancer Reveals Unexpected Complexity By PBS News Hour Researchers have mapped the genetic blueprint of two of the deadliest forms of cancer, detailing the mutations that lead to tumors of the pancreas and brain. Continue reading
Sep 04 Study: Arctic Sea Ice at Second-lowest Level on Record By Admin, PBS News Hour The Arctic ice cap has melted to a point that exceeds the 2005 level -- previously the second lowest on record -- and could surpass the record this year, scientists at the U.S. National Snow and Ice Data Center have… Continue reading
Sep 02 Scientists ‘Reprogram’ Adult Mouse Cells to Produce Insulin By PBS News Hour Researchers have discovered a way to convert one type of adult cell to another without stem cells, possibly paving the way for major advances in treating diabetes and other illnesses. Continue reading
Aug 22 Environmental Movement Finds New Supporters Among Evangelicals By PBS News Hour With gas prices and global warming playing an ever-increasing role in the national discourse, some evangelical churches have begun to focus their faith in a new direction -- on environmentalism. Continue reading