Cool things you didn't know.

Blue whale hearts weigh almost a ton and beat once every 10 seconds.
 
A dog’s sense of smell is so good that it can detect a teaspoon of sugar in a million gallons of water, or two Olympic-sized pools.
 
Pez candy was invented to help people quit smoking cigarettes; the original Pez dispensers were shaped similarly to a cigarette lighter.
 


A baby bird that pretends it's a poisonous caterpillar to avoid predators when mom and dad are away. Fascinating.

Corn self-pollinates and doesn't need bees (insects).
 

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