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TIL the most important variable in predicting a dog’s lifespan is the dog’s body size

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d8KnZ TIL African Hunting Dogs 'vote' to decide whether to go on a hunt or not. The most important animals in the pack need only garner around 3 votes; the lesser dogs need about 10
wLaOJ TIL Sharks have two penises named "claspers". When inserted into the female they open like an umbrella and its calcified protrusions "hook" the female. Only one is used during copulation.
9YoQ TIL There is a mayor from Canada who is 91 years old and is currently serving her 12th term.
oRABY TIL it used to be believed that babies as old as 15 months couldn't feel pain. As a result, doctors would preform surgery without anesthesia. Doctors used muscle relaxants on the infants to prevent squirming, essentially paralyzing the babies for the duration of the procedure.
OogQ4 TIL that medical errors are the third leading cause of death in the US after heart disease and cancer