New Scientist on MSN

T. rex took 40 years to become fully grown

An analysis of growth rings in the leg bones of 17 Tyrannosaurus rex individuals reveals that the dinosaurs matured much more ...
Amazon S3 on MSN

T-Rex could run up to 18 mph, faster than average humans

T-Rex could reach 18 mph, meaning the average human would struggle to outrun it in a direct chase.