Biologists look into the world of hummingbirds and why they have a taste for sweet stuff. The result of their experiment tells a story of evolutionary change.
Biologists look into the world of hummingbirds and why they have a taste for sweet stuff. The result of their experiment tells a story of evolutionary change.
General Note
Originally released by American Institute of Physics, 2015.
Streaming video file encoded with permission for digital streaming by Infobase on March 26, 2015.