nytvideo: Hummingbirds change the position and motion of each wing independently as those wings beat 40 times a second. And they do it in the space of one wingbeat http://nyti.ms/1GUOJIm
nytvideo: Hummingbirds change the position and motion of each wing independently as those wings beat 40 times a second. And they do it in the space of one wingbeat http://nyti.ms/1GUOJIm
