Oregon State University
Skip navigation

Breakthroughs in Science

Archive for June 10th, 2009

Birds not likely descended from dinosaurs

Wednesday, June 10th, 2009

From Science Daily: Warm-blooded birds need about 20 times more oxygen than cold-blooded reptiles, and have evolved a unique lung structure that allows for a high rate of gas exchange and high activity level. Their unusual thigh complex is what helps support the lung and prevent its collapse. “This is fundamental to bird physiology,” said […]