<http://schema.org/description>
"Last year I wrote in National Geographic about the long, remarkable history of feathers. The folks at TED-Ed (the educational wing of TED) invited me to boil down that history to about three minutes--accompanied by a splendid animation by Armeilia Leung. Here&amp;#039;s what we came up with. For more information, you can visit the video&amp;#039;s&amp;hellip;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://phenomena.nationalgeographic.com/2013/05/03/feathers-200-million-years-in-just-over-3-minutes/>