In a research note today, Reitzes notes that his Japan-based colleague Masahiro Nakanomyo contends that Canon and Fuji Xerox could be facing shortages of toner material starting next quarter.

FORBES: Laser Printer Makers Seeing Parts, Toner Shortages Due To Quake

Uranium 235 is the key material in starting a nuclear reaction, and its acquisition is the main problem facing states which want to go nuclear.

BBC: Nuclear threat casts global shadow

Switchgrass contains cellulose, the starting material that, with enough heat and the right enzymes and chemicals, can be made into ethanol fuel.

NPR: Study Boosts Switchgrass as New Alternative Fuel

He began collecting material on a tape recorder when he was 20, starting with the Seeger family's maid, Elizabeth Cotten, a self-taught guitarist.

BBC: Folk singer Mike Seeger dies, 75

Assistant State Fire Marshal Kelly Kistner said investigators were starting in the least-damaged areas, hoping to determine the heat source or material that ignited the fire.

CNN: Powerful Texas blast left nearly 100-foot-wide crater

Starting next week, the web giant will be taking a much more aggressive approach to sites hosting pirated material by downranking frequent offenders.

ENGADGET: Google to downrank sites hit by valid copyright claims