A new study says birds precisely time when they flap their wings, and position themselves to capture upwash ("good air") and avoid downwash or ("bad air").
Spider webs actively spring towards prey, thanks to electrically conductive glue spread across their surface, Oxford University scientists have discovered.
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.