ecology

Great white whales. Schools of fish so thick they slowed boats. Sea monsters that could swallow a sailor whole. The last one may still be the stuff of lore, but scientists are using a curious series of census tools to gather evidence of an ocean that, as recently as decades ago, fairly teemed with marine life, far bigger and more plentiful that what's found in today's oceans.

Normally, the worst thing one of Germany's wild boars will do is ruin a field of corn, which is one of their favorite foods. Lately, however, as their population has exploded --  scientists estimate that it increased by 320 percent in Germany in the last year alone -- the pigs have been having more and more encounters with humans.

The first annual BioMass conference, attended by biofuels researchers, manufacturers, equipment suppliers, and farmers, is underway here at the Minneapolis Convention Center.

Prime on the agenda in the opening session this morning was a question lately blaring from headlines, for instance in a story in today's New York Times: can we grow crops for converting into fuel without catastrophically upsetting the world's food supply?

The AP is reporting that next month the U.S. Geological Survey will stage a controlled flood of the Colorado River in the Grand Canyon via the Glen Canyon Dam in order to learn whether they can approximate the natural conditions of the river.