(From left) Mariah Slovacek, the Paleo Lab collections manager at the Perot Museum of Nature and Science, Ron Tykoski, the Perot Museum’s director of paleontology and curator of vertebrate ...
Joel Booth, an undergraduate research assistant, demonstrates a breathing task during Science in the City at Southern Methodist University in Dallas in 2018. The machine was measuring the difference ...
DALLAS (AP) — An unprecedented collection of 182 ferocious prehistoric shark teeth, assembled on gaping jaws large enough to swallow several humans whole, is set to be auctioned in Texas. The teeth ...