It would be sensible to take him to hospital, before he collapse . begin we had
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Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws.
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The main life detection instrument on the 2020 rover is called SHERLOC, for Scanning Habitable Environments with Raman & Luminescence for Organics and Chemicals. Principal investigator Luther Beegle of NASA’s Jet Propulsion Laboratory describes it as “a stand-off instrument” mounted on the rover’s robotic arm. “We don’t want to touch samples and possibly detect life we brought with us to Mars,” he says. Instead, from two inches away, SHERLOC will shine far-ultraviolet lasers on rocks to cause their constituent chemicals to either scatter light or fluoresce (emit light). The resulting spectrum should reveal the chemical fingerprints of any organic molecules in the rocks. Promising samples would be candidates for caching—again while taking steps to avoid contamination—and eventual return to Earth.