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Elk have antlers. Rams have horns. In the animal kingdom, males develop specialized weapons for competition when winning a fight is critical. Humans do too, according to new research.

From slug slime to whale flippers to electrical shocks, organisms have “engineered” impressive tactics to make a living on planet Earth. The museum’s special exhibit explains how some species glide through the air, endure extreme temperatures or crush 8,000 pounds in a single bite.