Shielding the Human Genome: Mitigating the Threat of Space Radiation

For decades, NASA and others have studied the radiation problem and searched for solutions. Left unchecked, sustained exposure to space radiation will make long-duration manned missions beyond Earth’s ionosphere dangerous and, in some worst-case scenarios, lead to disease and death. It was this challenge that led NASA in 2016 to describe exposure to space radiation as the most dangerous aspect of travel to Mars. 

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Scientists Can Reverse DNA Aging in Mice

Dr. David Sinclair, from Harvard Medical School, and his colleagues reveal their new findings in the latest issue of Science. They focused on an intriguing compound with anti-aging properties called NAD+, short for nicotinamide adenine dinucleotide. It's been known that younger mice had more of it than older mice and back in 2013, the researchers found that when they boosted the NAD+ levels in older mice, they looked, biologically, like much younger animals.

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Genetics: An Emerging Global Threat

At a recent private gathering in Virginia of leading biologists and geneticists, an unusual topic of conversation was the specific date of November 3, 1988. It was on that date that MIT graduate student, Robert Morris, launched the first malware attack on a system that was unknown to more than 99 percent of the world’s population. The system was the Internet, and Morris left an indelible dark mark on arguably the greatest innovation of our time.

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