Extreme weather events like lightning, floods, hurricanes, and tornadoes are scary. But did you know that heat waves are the most lethal weather phenomenon in the United States? Find out why heat waves happen and how to stay safe during one. UC Davis climate expert Dr. Richard Grotjahn tells us about the consequences of heat waves and what climate models predict about the future of these extreme events. Then visit  Death Valley, one of the hottest places in the world. It is also the driest and lowest place in North America, and is home to moving rocks, singing sand, fish that survive in the desert, and colorful displays of wildflowers.

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