WIRED @WIRED
Bar-headed geese are the SR-71's of the avian world, soaring to 26,000 feet. To learn how their bodies function so well at altitude, researchers introduced them to a wind tunnel, strapped tiny masks to their beaks and sensor packs on their backs. https://t.co/UENdiqmigk https://t.co/RnVgDnnZCq — PolitiTweet.org