Graphene, a sheet of carbon only a single atom thick, was an object of theoretical speculation long before it was actually made.

Scientists at UC Santa Barbara have developed new methods for studying how environmental factors and climate affect giant kelp forest ecosystems at unprecedented spatial and temporal scales.

Scientists reported on Wednesday that they have sequenced the entire genetic code of 38 multiple myeloma patients, and have uncovered the most likely genetic causes of the aggressive blood cancer.

Former US Airways Group chief executive David Siegel has landed his third CEO job in four years, said XOJet Inc., which hired him on Monday. Siegel, 46, became US Airways' top executive in March 2002, took the carrier into bankruptcy five months later, and resigned in April 2004.

By Shari Chaney Griffin, The Gazette, Colorado Springs, Colo. Apr. 5--Sitting in elementary school classes, David Siegel knew the material and understood the assignments. But he had trouble copying from the board and couldn't always show what he knew because his handwriting was awful.