Einsteinchen - Question of the Week - Tomorrow Today - 13.04.2008To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoMilan Tillich04/14/2008April 14, 2008Malte Mosters from Vancouver, Canada How do birds orient themselves in a large swarm without colliding into each other?https://p.dw.com/p/DhHNAdvertisement