fromBig Think
6 hours agoAthletes keep breaking records - and they may never stop
When horse racing fans rhapsodize about Secretariat's enormous heart, they're not speaking metaphorically - a postmortem exam in 1989 found that it weighed between 21 and 22 pounds, two-and-a-half times more than the average thoroughbred's heart. The legendary horse also had a perfectly proportioned bone structure, flawless biomechanics, and a seemingly innate hunger for the finish line.
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