Tall Dinosaurs Couldnt Lift Up Their Heads
March 29, 2009
In Jurassic Park, the huge sauropods were pictured grazing on the tops of tall trees. This would have been physically implausible, said an Australian biologist in a letter to Science.1 A brachiosaur’s head would be 9 meters above its chest. That would require 750 mm (Hg) of blood pressure. The problem of circulation, not only […]
