The surface pf an elephant's foot is very flexible and sensitive ... which is much lower than the human range of 20 hertz. These vibrations can be heard from as far as 20 miles away.

Dubbed the Elephant’s Foot, this solidified mass of molten material lies in the basement beneath Reactor 4 of the Chernobyl Nuclear Power Plant, the site of the worst nuclear disaster in Europe.

This is the Elephant Foot Glacier in northeast Greenland. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions ...