Discussions, summarized

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• Hacker News1Jim Lovell, Apollo 13 commander, has diedNASA mourns the passing of Apollo astronaut Jim Lovell at age 97. He was a pioneering space explorer who commanded Apollo 13, piloted Apollo 8, and showed remarkable leadership during critical missions. Known for his courage and wit, Lovell's legacy includes being among the first to orbit the Moon.Moon landing survival statistics:Discussion of how 4/12 moon walkers are alive vs 1/12 moon orbiters, with debate about whether this shows health benefits of walking on moon or reflects NASA's strict health screening and astronauts' conscientious attitudesPersonal encounters with Lovell:Multiple people shared memories of meeting Jim Lovell at speaking events, describing him as kind, humble and energetic. His cameo in Apollo 13 movie was noted, along with his humor about being compared to Tom HanksApollo 13 leadership:Discussion of Lovell and NASA's exceptional handling of the Apollo 13 crisis, highlighting the calm professionalism of crew and ground teams. The movie adaptation's accuracy was debated, noting it added conflict for dramatic effect
• Reddit science1Using scented products indoors changes the chemistry of the air, producing as much air pollution as car exhaust does outside, according to a new study. Researchers say that breathing in these nanosized particles could have serious health implications.Using scented products indoors, such as flame-free candles and wax melts, can create significant indoor air pollution comparable to car exhaust. Research by Purdue University found these products release nanosized particles that can penetrate deep into lungs and potentially enter the bloodstream, posing serious respiratory health risks.Misleading title scope:Discussion about how study only focused on wax melts but title suggests all scented products, with debate about whether findings could logically extend to other scented itemsHealth concerns from chemist:A chemist's perspective against using scented products leads to sharing of personal health impact stories, from COPD to cancer cases, and debate about necessity of artificial scentsAir purification solutions:Discussion of HEPA filters and other air purification methods as solutions, with debate about effectiveness against different types of pollutants like VOCs and nanoparticles
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