Dogs have been man's pet for over 14,000 years.
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Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Two dogs were among the Titanic survivors.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
When you shave a guinea pig it looks like a little hippo.
19
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
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