Dolly the sheep was cloned 30 years ago. When Dolly was born on July 5, 1996, the world reacted with a mixture of fascination and fear. Many imagined that the cloning of living beings would pave the way

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Source: Wikipedia The Sea Cucumber: Liquefying Itself to Escape When threatened, a sea cucumber can partially dissolve its own connective tissue, becoming soft and liquid enough to squeeze through gaps