An executive in west Texas explains that when the oil price is high, it's hard to get the guys off the RIGS; but when the price is low, many prefer the cleaner, cooler job of a wind technician.

Fish and other wildlife seem to be fleeing the oil out in the Gulf and clustering in cleaner waters along the coast in a trend that some researchers see as a potentially troubling sign.

RDFS is still the simplest and most pervasive choice, but DAML + OIL has many things to recommend it: not just the additional features, but the cleaner core semantics as well.