One million people each year are bitten by animals in the United States.
7
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Hummingbirds can weigh less than a penny!
12
In Pakistan, goats are often sacrificed to improve the performance of the stock market.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Chained dogs are 3 times more likely to bite than unchained dogs.
34