The substance that gives plant cells their rigid nature, the same substance that binds trees together, is typically discarded as waste in the agricultural process. But a Kansas State University student is researching how that waste, lignin, may be used in construction.
Voters in southern Arizona are at the polls, picking who they want to serve out the balance of the term they elected Gabrielle Giffords to in 2010. Giffords resigned in January so she could focus her energy on recovering from the shooting that took the lives of six people and injured 13 more, including Giffords.
The efforts to avert the fiscal cliff started slowly but took on urgency over the past 72 hours. All signs point to a broad outline of a deal being reached, but it remains unclear whether both the U.S. House and U.S. Senate will be able to vote on it before the night is over.
1.4 million legal immigrants applied for US citizenship last year, and the vast majority were Latinos; spurred by frustration over immigration reform, many legal residents decided to become citizens and cast their vote
In 2007, Prince William County passed an ordinance that authorized police to check the immigration status of people they detained. Three years later, The World's Jason Margolis looks at the effects of the ordinance.