Gynecology’s Dark History, Antarctic Ice, Moon Craters. Jan 18, 2019, Part 2

Nineteenth-century physician J. Marion Sims has gone down in history as the “father of modern gynecology.” He invented the speculum, devised body positions to make gynecological exams easier, and discovered a method for closing vaginal fistulas, a painful, embarrassing and often isolating complication that can result from childbirth. But Sims’ fistula cure was the result of experimental surgeries, pre-Emancipation, on at least 11 enslaved black women, only three of whose names have been remembered—Anarcha, Betsey, and Lucy. Over a period of about five years, the women underwent dozens of surgeries as Sims attempted, and failed, to fix their fistulas. He rarely used anesthesia. What were the lives of those women like? A new play, Behind The Sheet, tackles this story from their perspective, imagining not just their pain, but the friendships they might have formed to support each other through surgery after surgery. In this story, the women tend each other’s ailments, make perfume to hide the smell from their fistula condition, and pledge to remember each other even if history forgets them.  Researchers monitoring the condition of the Antarctic ice sheet report that not only is the ice melting, but that the rate of ice loss is increasing rapidly. According to their estimates, around 40 gigatons of ice were lost per year in the 1980s. By the 2010s, that rate of loss had increased to more than 250 gigatons of ice per year. That melting ice has caused sea levels around the world to rise by more than half an inch, the researchers say. Eric Rignot, climate scientist at the University of California-Irvine and one of the authors of the report, joins Ira to discuss the trends in the ice sheet and what they portend for sea level rise. Our moon formed about 4.51 billion years ago and it’s been pummeled by meteorites ever since, leaving behind the lunar craters you can see on the surface today. Recently, scientists curious to know how often those impacts occurred came up with a clever way of determining the age of the craters. They discovered that many of them are relatively young—that is, the moon got hit by space rocks a lot more recently and a lot more frequently than scientists once thought. Sara Mazrouei, planetary scientist at the University of Toronto joins Ira to discuss the new research, out in the journal Science this week, and what it could tell us about Earth’s crater history. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

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