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Alligators have been a long-running problem for NASA, including climbing over their fences and entering buildings over night

Alligators have been a long-running problem for NASA, including climbing over their fences and entering buildings over night

Elephants have been known to extract spears from wounded friends, and to stay with infants born with disabilities.

Elephants have been known to extract spears from wounded friends, and to stay with infants born with disabilities.