Originally described in the context of particles drifting through liquid, Levy walk has been found to accurately describe a very wide range of phenomena, from cold atom dynamics to swarming bacteria.

"This is amazing to see and they're both absolute beauties," one viewer posted. "They're matchy matchy," another added.

Ever notice how some dogs resemble their owners? Science explains why we pick pets that mirror our looks and personalities.

For years, Patrick Anderson and Will Coogan have suffered from daily throbbing headaches. That hasn’t stopped them from ...