Word: crusts
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Dates: during 1990-1999
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Those who stayed until the fair's close saw one of Harvard's History and Literature tutors, Edward L. Widmer '84, singing to a crowd of thousands in a wig, velveteen britches and a beauty mark, with his band, "The Upper Crust...
...acid rain. Carbon dioxide, injected into the atmosphere by erupting volcanoes, could have trapped solar heat, disrupting climate through global warming. Even the physical force exerted by the rising plume of molten magma could have contributed to the extinction by uplifting a substantial section of the earth's crust. Since temperatures fall with elevation, says Renne, snow and ice would have quickly accumulated, wrecking ecosystems at higher elevations and contributing to the drop in sea level...
...tested split tones, wrote his own beautifully complex compositions and experimented with long free-form solos. Also included is a detailed booklet of essays and personal reminiscences. (Maybe too detailed: 'Trane loved cooking oatmeal and hot chocolate, we learn from his cousin Mary, but "didn't like any crust on the white part" of his eggs.) For Coltrane fans the outtakes are a particular revelation--not just for the bits of studio banter (Coltrane and his sidemen are heard laughing about the wild chord changes) but also for the unusual glimpse of the evolution of such Coltrane numbers as Naima...
...this theory, the surface of the earth is not a single, rocky shell but a series of hard "plates," perhaps 80 km thick and up to thousands of kilometers across, floating on a bed of partly molten rock. The mid-ocean ridges, geologists argued, were likely locations for planetary crust to be created: the new plate material would be pushed upward by forces from below before it settled back down to form the sea floor...
...because they occur at average depths of about 7,300 ft., oceanographers have been able to visit and study a dozen of them. The vents are essentially underwater geysers that work much the same way Yellowstone National Park's Old Faithful does. Seawater percolates down through cracks in the crust, getting progressively hotter. It doesn't boil, despite temperatures reaching up to 400 degrees C, because it is under terrific pressure. Finally, the hot water gushes back up in murky clouds that cool rapidly, dumping dissolved minerals, including zinc, copper, iron, sulfur compounds and silica, onto the ocean floor...