How Giraffe Spots Act Like a Natural Air Conditioner
Description:
The dark patches on a giraffe’s skin have more blood vessels than the light skin. This can help heat dissipate, allowing them to stay cool. From the Series: Tales From Zambia: Africa's Eden http://bit.ly/2X8LqYD
Video Duration:
2 min 11 sec
YouTube Keywords:
smithsonian history channel animals space ships airplane science discovery "free tv" snake documentary movies "free video" america
