SharkieScience brain teasers require understanding of the physical or biological world and the laws that govern it.
Dan and his best friend Dave were out fishing when they noticed a shark circling their dinghy. Whenever they tried to move the boat, the shark would barge into it, nearly causing it to capsize. "Never mind," said Dan. "If we wait long enough, it'll get tired, and while it's asleep we can sneak away."
Was this good advice?
AnswerNo; sharks don't sleep.
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