2 Americans, 1 German win Nobel in chemistry

Eric Betzig, Stefan W. Hell and William E. Moerner won the Nobel Prize in chemistry, the Nobel committee said Wednesday.

Betzig and Moerner are Americans. Hell is German.

The scientists won for "the development of super-resolved fluorescence microscopy," a new method that allows microscopes to see finer details.

The Royal Swedish Academy of Sciences said the work of the three scientists "has brought optical microscopy into the nanodimension."

On Tuesday, Isamu Akasaki, Hiroshi Amano and Shuji Nakamura won physics award for the invention of blue light-emitting diodes.

On Monday, husband-and-wife scientists Edvard Moser and May-Britt Moser of Norway and New York-born researcher John O'Keefe won the Nobel in medicine.

The 2014 Nobel Prizes are being announced this week and next by committees in Stockholm and Oslo. Nobel Prize announcements in literature and peace will take place later this week. The economics prize will be announced next week.