A CLEVER elephant has proven just how smart her kind is in remarkable new footage. Mary, an Asian elephant at Berlin Zoo, was captured showering herself with a water hose to the shock of scientists.
A hose's material, weight and water flow rate all factor into how it operates. You'll want quality materials, preferably brass fittings, and the hose nozzle needs to be sturdy. Some tasks will ...
They found that Mary preferred the 24-millimeter (0.9-inch) hose, spending the largest fraction of time showering with it out of all three options. When given the thickest hose, Mary chose to spend ...
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