'True grit' erodes assumptions about evolution
Dining on field grasses would be ruinous to human teeth, but mammals such as horses, rhinos and gazelles evolved long, strong teeth that are up to the task.
Dining on field grasses would be ruinous to human teeth, but mammals such as horses, rhinos and gazelles evolved long, strong teeth that are up to the task.
(PhysOrg.com) -- A report published in Proceedings of the National Academy of Sciences details the proof found that "desert kites" were used as slaughter structures for civilizations as long as 6,000 years ...