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Hoping to find? >> this is an interesting place in the landscape, about a third of a mile away where three land forms come together. the same desert plains that the rover landed on two weeks ago plus harder and older bedrock on and layered outcrops where they think they can use the drill on curiosity and understand the minerallology and look for organic compounds for traces of past life. jon: they blasted, sort of a trial of this laser. what do they hope to learn from that or hope to accomplish? >> that is pretty amazing instrument for analyzing rock composition. it is a buck rogers laser gun ...

that's more than were killed by hurricanes, lightning, tornadoes, and floods combined. cnn meteorologist chad meyers joins us. it's more than the heat. >> it's more than humidity. if you set your steam roam at a gym at 105. that feels like 200 degrees. even though it's 105, it feels so much hotter because your body cannot perspire, and it cannot cool itself down. a sauna is 160 or 170, but it feels cooler because the air is dry. now, this is a 10-year average, 170 people die of heat-related deaths per year, compared to 62 in tornados, and lightning, 44, and flooding 74. i know people...