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NASA’s new rover will collect martian rocks—and clues to planet’s ancient climate

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www.sciencemag.org

Paul VoosenNASA’s newest Mars rover, Perseverance, is going back in time to the bottom of a vanished lake. If all goes well, in February 2021 it will land in Jezero crater and pop the dust covers off its camera lenses.

Towering in front of it, in all likelihood, will be a 60-meter cliff of mudstone: the edge of a fossilized river delta. These lithified martian sediments could hold answers to urgent questions about the earliest days of Earth’s chilly, parched neighbor: How did this pintsize planet, so distant from a faint young Sun, support liquid water on its surface?

How much water was there, and how long did it persist? And did Mars ever spawn life?The 45-kilometer-wide crater is an intriguing target.

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Founder of Philly Fighting COVID agrees to destroy personal health data collected during clinic debacle
Andrei Doroshin PHILADELPHIA - A graduate student in psychology whose COVID-19 vaccine operation got shut down by Philadelphia last year has settled with the state attorney general's office and agreed to destroy all personal health information his start-up gathered.The agreement was filed Friday in Commonwealth Court and requires a judge's approval to take effect.Central to the accusations against Andrei Doroshin, who had almost no public health experience when the city gave him the task, was that he had intended to profit from the vaccine operation run by his start-up, called Philly Fighting COVID.Mayor Jim Kenney says Philly Fighting COVID was a mistake after the Inspector General found no malice, no ill-intent, and no one seeking personal gain.Doroshin denied the allegations by the attorney general's office, including violating the state's nonprofit corporation law.Under the agreement, Doroshin and his associates are barred from managing charitable assets or soliciting charitable donations in Pennsylvania for 10 years.Doroshin also must destroy the personal health information gathered through the vaccine pre-registration service and is barred from receiving any financial benefit from the information or the vaccine.Doroshin must also dissolve Philly Fighting COVID.City officials said they gave him the job because he and his friends had organized one of the community groups that set up COVID-19 testing sites throughout the city in 2020.But they shut the vaccine operation down once they learned that Doroshin had switched his privacy notice to potentially sell patient data.
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