SCIENCE IN THE NEWS DAILY
New Pics Boost Feelings Mars Lander Has Bared Ice
from the San Francisco Examiner
Sharp new images received Saturday from the Phoenix lander largely convinced scientists that the spacecraft's thrusters had uncovered a large patch of ice just below the Martian surface, team members said.
That bodes well for the mission's main goal of digging for ice that can be tested for evidence of organic compounds that are the chemical building blocks of life.
Team members had said Friday that photos showing the ground beneath the lander suggested the vehicle was resting on splotches of ice. Washington University scientist Ray Arvidson said the spacecraft's thrusters may have blown away dirt covering the ice when the robot landed one week ago.
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Extreme events, such as super floods and hurricanes, are becoming more common, so civil engineers are trying to adapt civil infrastructure such as bridges to these unpredictable and sometimes devastating meteorological events. Engineer Ana Barros discusses how engineering can prepare us for extreme weather events, but also how changing climate and population conditions can affect the ability of infrastructure to hold up over time.
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