Scott Kelly, right, stands behind glass in a quarantine room behind his brother, Mark Kelly, also an astronaut, after nearly a year in space. (Dmitry Lovetsky/AP)Astronaut Scott Kelly made himself a guinea pig for all the people who dream of human journeys to Mars and other destinations in space. (Contrary to some breathless headlines, Scott Kelly didn’t undergo a space-induced change in his genetic code.) The study found certain cognitive deficits during a battery of tests in orbit, which lingered when Scott Kelly later took tests back on Earth. “We need to get outside of low Earth orbit, and we need for the astronauts to spend longer periods of time to really evaluate some of these health effects.

Source: Washington Post April 11, 2019 18:01 UTC