Jul 25 Thousands Stampede for Last of Olympics Tickets By PBS News Hour Scuffles broke out Friday as nearly 50,000 people who had waited up to two days for the final batch of tickets to next month's Olympic Games swarmed sales windows in Beijing. Continue reading
Mar 21 Scientists Tie Chemical Reaction to Creation of Smog By PBS News Hour Just one week after the Bush administration announced its first new ozone standards in more than a decade, chemists have discovered that a chemical reaction in the atmosphere once thought to be insignificant may be a major contributor to smog. Continue reading