ahlam1399
05-17-2017, 07:44 PM
"That's like setting three small cars on top of the jaws of a T. rex ? that's basically what was pushing down," a researcher says. Humans bite with a measly 200 pounds of force.
أكثر... (http://www.npr.org/sections/thetwo-way/2017/05/17/528677883/tyran**saurus-rexs-bite-force-measured-8-000-pounds-scientists-say?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thetwo-way/2017/05/17/528677883/tyran**saurus-rexs-bite-force-measured-8-000-pounds-scientists-say?utm_medium=RSS&utm_campaign=news)