The neatest new idea for a telescope is a deep hole in the pole. Learn about the AMANDA II on this Moment of Science.
Ever wonder where dirt gets that fresh smell? Find out on this Moment of Science.
In the desert, the absence of water means little or no chemical weathering can take place. Instead, erosion, frost, sedimentation, and the huge temperature fluctuations between day and night break down the rocky surface into sand or gravel.