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The Science Hour

28/05/2017
Premiere

28/05/2017

Tomorrow 2:06am - 3am BBC World Service Europe, BBC World Service
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Summary

An Australian study has shed light on the collection of microbes that help to keep a woman’s vagina healthy. Unprotected sex not only spreads sexually transmitted diseases but also penile bacteria, which changes the vaginal microbiome and increases the risk of bacterial vaginosis. Why flamingos can stand on one leg has always been a bit of a mystery but by studying dead ones, scientists have finally cracked it. Meanwhile, US Navy-trained dolphins are being used to find the incredibly rare vaquita porpoise in the Gulf of Mexico. There are only 30 left and conservationists hope to catch them and give them a new, protected home. "Bring out the lasers!" Marks and Spencer and other European supermarkets are trying to reduce the waste and environmental burden of having to label every piece of produce by marking them with a very clever laser label. Plus, our studio guest Marnie Chesterton finds out why salt tastes salty. The superior performance of Sherpa guides on Mount Everest is legendary and new findings reveal how their bodies do it. Beyond Everest, the Juno space probe has reached Jupiter and has photographed giant, Earth-size hurricanes. (Image caption: Bacterial infection. Rod-shaped Lactobacillus bacteria © iStock / Getty Images Plus) The Science Hour was presented by Claudia Hammond with comments from Marnie Chesterton who presents BBC World Service’s CrowdScience Producer: Graihagh Jackson

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