Gulf of Mexico – The dead zone at the mouth of the Mississippi River, largely caused by annual fertilizer and farm chemical runoff from the Mississippi and the Atchafalaya rivers, is said to cover 7,000 square miles or more, or the size of New Jersey, depending on rainfall or floods. This runoff fuels algae blooms, dropping oxygen levels needed to sustain life. It is considered the largest dead zone in the US. (Source: NOAA, Scientific American)
PIG RACING: Pigs with woolen jockeys attaches to their backs race during a community fair in Cushendun near Belfast, Northern Ireland, in July 2009.
Chevy Volt will sell for $41,000 before a federal tax credit, while the Nissan Leaf will go for $32,780 before the credit. The two cars are trying to jump-start the US electric-car industry.
After a lackluster 2009 edition, this year's Tour de France was filled with action, from the cementing of Contador and Schleck's rivalry to Armstrong's bumpy exit from the sport he dominated in unprecedented fashion.
While Senate pushes unemployment extension, federal data shows more North Dakotans hold jobs than ever before. Alaska is also near its record.
With the end of the BP oil spill in sight, Obama orders federal agencies to zone human uses of coastal seas (and the Great Lakes). It won't be easy but it is essential.
Film director Roman Polanski may have avoided extradition stemming from a 1977 child sex case, but his case runs counter to the trend. Why more countries are handing over suspects to the US.
As many as 300,000 war vets from Iraq and Afghanistan have experienced post-traumatic stress disorder. Now, the process for getting treatment and compensation for PTSD is being streamlined.
State governors are entering a weekend of talks in Boston about policy matters. Here are four indicators of the 'state of the states.'
Between them, Obama and Biden are visiting Missouri, Nevada, Oregon, and California in support of Democratic candidates Thursday and Friday.