Fossilized rain forest &mdash At the bottom of an Illinois coal mine. Fascinating because it actually records the structure of the forest, the botanic equivalent of a behavioral fossil. (Thanks be to Bob.) Soviet supercars — Well, because. 3D flight tracking — Cool and a bit weird. (Thanks be to lillypond.) Sleep labs of the Soviets — (Thanks be to the_flea_king.) Giant robots to fight our battles — From Paleo-Future, the real reason behind the giant Michael Jackson robot . Plus intensely cool art. The Northwest Journal of Linguistics — This one's mostly for deedop, I think, but if anyone else is interested in Native American languages of the Pacific Northwest, here you go. Ending a preposition with a sentence is something up with which I will not put. Up with. — The argument about prepositions is far older than you might think. With 16th century citations. Are you listening, matociquala?