Scientists Win Ig Nobel for Dangling Dozens of Rhinos Upside Down From Helicopters

Conservationists decided to lend their help or helicopter to move rhinos into new regions. But scientists weren't totally sure whether this upside-down movement was really safe for the rhinos involved until the Ig Nobel Prize-winning study. For several years, African rhinos have been transported by suspending them upside-down from a helicopter, with their eyes tied and under tranquilization.