France’s Lagarde seeks IMF’s top spot

French Finance Minister Christine Lagarde announced her bid Wednesday to become head of the International Monetary Fund, after its former managing director Dominique Strauss-Kahn resigned in the wake of charges he tried to rape a hotel maid in New York.

Blue goo sucks up toxic waste

Mopping up radioactive waste is messy work. Ever since an earthquake and a tsunami crippled Japanese nuclear power plants in March, cleanup crews have been struggling to decontaminate the area. Typically, this kind of work is performed with low-tech tools: soap, water, pads, brushes and old-fashioned elbow grease.