These little carnivores mean serious business.
Ancient daggers carved from femurs were pretty fierce.
Without hurting yourself more than your opponent.
Hospital trips and deaths aren’t uncommon in pro combat sports.
You’re pretty likely to get your butt kicked in either one, though
Testing a hypothesis about fistfights with cadaver arms
A new study examines when people decide not to mind their own business.
How science is transforming the sport of MMA fighting
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