Do ice and lightning mix? Find out how a lightning bolt forms and how ice plays a role.
Why do droughts occur? Find out the causes and grueling effects of these meteorological events 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.
Ever wonder why worms stay burrowed in the ground until a rain finally comes? Find out on this Moment of Science.