Southpaw Stats: 10 Fun Facts About Lefties: Page 2

Panel of hands at El Castillo Spain — To make these hand stencils, the artist blew or spit red pigment over his or her hand against the cave wall, leaving a handprint shape.

(Image credit: Pedro Saura)

Visual perception

Tyrannosaurus rex could have reached speeds of 18 miles per hour (29 km/h).

Lefties may have a more balanced view of their bodies. When asked to visualize space, right-handers tend to be more sensitive to their right-side and perceive a puny "T. rex"-like left arm and a larger, longer and stronger right arm, Linkenauger said. Lefties have no such bias, which may come from a lifetime of having to navigate in a right-handed world, Linkenauger said.

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Tia is the editor-in-chief (premium) and was formerly managing editor and senior writer for Live Science. Her work has appeared in Scientific American, Wired.com, Science News and other outlets. She holds a master's degree in bioengineering from the University of Washington, a graduate certificate in science writing from UC Santa Cruz and a bachelor's degree 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.