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Image Gallery: Boneheaded Dinosaurs Butt Heads

Bone damage

pachycephalosaurs butting heads

(Image credit: Ryan Steiskal)

Afterwards, skin infections may have then spread to the bone, causing permanent scarring.

Tia Ghose

Tia is the assistant managing editor and was previously a senior writer for Live Science. Her work has appeared in Scientific American, Wired.com and other outlets. She holds a master's in bioengineering from the University of Washington, a graduate certificate in science writing from UC Santa Cruz and a bachelor's in mechanical engineering from the University of Texas at Austin. Tia was part of a team at the Milwaukee Journal Sentinel that published the Empty Cradles series on preterm births, which won multiple awards, including the 2012 Casey Medal for Meritorious Journalism.