Overcoming some of the obstacles that have hindered petri-dish-to-gas-pump schemes in the past, scientists are finding ways to produce high-octane fuel and even pure hydrogen from co-opted algae.
Wood, as fuel and building material, is the unsung hero of the technological developments that brought humanity from a bone-and-stone culture to the Industrial Revolution.
With nuclear power back under serious consideration as a U.S. power source, a blue ribbon panel's decisions on what to do with waste carry great import.