Sunday, June 14, 2009

Maple Seeds and Flight

ScienceDaily (June 13, 2009) — The twirling seeds of maple trees spin like miniature helicopters as they fall to the ground. Because the seeds descend slowly as they swirl, they can be carried aloft by the wind and dispersed over great distances. Just how the seeds manage to fall so slowly, however, has mystified scientists.

Monday, May 18, 2009

Alaska Is Expanding Like A Dented Pillow Relieved of Stress

As the glaciers retreat, melt and vanish, the land in Alaska rises, and locals are wondering where the water went. Forget those stories of swamped ports. In Juneau, as in few other areas of our planet, the result of global warming is drying streams and land rising from the sea as much as three inches a year. Buy that swampland today, in the future it may be the tenth hole of your new golf course.