139946454Though horror movies and haunted houses give me nightmares (literally), this Halloween I’ve got a monster on the brain, namely that ancient bone-cruncher the Tyrannosaurus rex. First named and described in 1905, this toothy fellow is one of the best loved dinos as well as one of the most researched, thanks to a high number of fossil finds. Yet according to a recent Nature news feature by Brian Switek, T. rex “has kept some secrets.”

The article discusses four T. rex mysteries that paleontologists are currently striving to solve. (more…)

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