New Scientist podcasts@NewScientistPodRadiation exposure is a serious problem if we want to get people to Mars. @rowhoop has been finding out about the dangers, as new research suggests higher-than-expected doses. http://newscientist.com/podcasts/132-impact-of-drought-monkeys-using-sex-toys/…8:00 AM · Aug 19, 20228 Retweets2 Quote Tweets26 Likes