Tag Archives: chris kirk

Ancient Lone Star Lizard Lounged in Lush, Tropical Texas

AUSTIN, Texas — Researchers have discovered a new species of extinct worm lizard in Texas and dubbed it the “Lone Star” lizard. The species — the first known example of a worm lizard in Texas — offers evidence that Texas acted as a subtropical refuge during one of the great cooling periods of the past. (more…)

Read More

UT Austin Anthropologists Confirm Link Between Cranial Anatomy and Two-Legged Walking

AUSTIN, Texas — Anthropology researchers from The University of Texas at Austin have confirmed a direct link between upright two-legged (bipedal) walking and the position of the foramen magnum, a hole in the base of the skull that transmits the spinal cord.

The study, published in a forthcoming issue of the Journal of Human Evolution, confirms a controversial finding made by anatomist Raymond Dart, who discovered the first known two-legged walking (bipedal) human ancestor, Australopithecus africanus. Since Dart’s discovery in 1925, physical anthropologists have continued to debate whether this feature of the cranial base can serve as a direct link to bipedal fossil species. (more…)

Read More