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nbsp;The scientific instruments on the rover include a camera designed to take high-definition video, panoramic color and 3D images of the Martian surface and features in the atmosphere with a zoom lens to magnify distant targets, a group of sensors to measure weather and monitor dust on the planet's surface, a system that will be used to produce oxygen from the Martian carbon-dioxide atmosphere, an x-ray and camera system that can measure the chemical makeup of rocks and analyze features as small as a grain of salt, a ground-penetrating radar system to analyze geologic features under Mars' surface, a group of cameras, spectrometers, and a laser to search for organics and minerals as well as take clse up images of rock grains and surface textures, and a camera to identify the chemical composition of rocks and soils, including their atomic and molecular makeup. saracen zen Another thing that happened under Julius Caesar, he was such a powerful maniac that all the senators grabbed knives, and they stabbed him to death. saracen zen CLICK HERE TO GET THE FOX NEWS APPWhen Baier asked Fauci to say when he believed Americans could go to a concert, theatrical performance or sporting event without masks, Fauci responded: "If we can get -- and I have used this as an estimate, it's not definitive -- if we can get 70-85%  of the population vaccinated and get to what we would hope would be a degree of herd immunity, which really is an umbrella or a veil of protection against the community where the level of virus is so low it's not a threat at all, then at that point you could start thinking in terms of not having to have a uniform wearing of masks, but we're certainly not near there yet. saracen zen On the flip side, the Moderna and Pfizer/BioNTech vaccines, which send mRNA into muscle cells to tell the body to produce an immune reaction to the coronavirus spike protein, do seem to have higher efficacy, Lang said.11 (sometimes) deadly diseases that hopped across species14 coronavirus myths busted by scienceThe 12 deadliest viruses on Earth Gulick said high-risk groups — such as the elderly, who mount a less robust immune response, and people who are immunocompromised — should be prioritized for vaccines with higher efficacy. saracen zen