Some sharks remain on the move for their entire lives. This forces water over their gills, delivering oxygen to the blood stream. If the shark stops moving then it will suffocate and die.

When a drone (a male honey bee) mates with a queen bee, its abdomen is ripped open during copulation and it dies soon after.

In only eight minutes, the Space Shuttle can accelerate to a speed of 27,000 kilometres per hour.

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