Elephants communicate with each other by way of low frequency sound waves traveling through the ground. They can 'hear' rumbles with their feet over many kilometers!
Elephants can relate information regarding their location, sexual receptivity, and the presence of water to other herds via low frequency sound waves traveling through the ground.
A change in the frequency of earthquakes may foretell explosive volcanic eruptions. The seismic activity changes from steady drum beats to increasingly rapid successions of tremors.
A change in the frequency of earthquakes may foretell explosive volcanic eruptions. The seismic activity changes from steady drum beats to increasingly rapid successions of tremors.
A change in the frequency of earthquakes may foretell explosive volcanic eruptions. The seismic activity changes from steady drum beats to increasingly rapid successions of tremors.
In Niger, a sun-baked land where drought occurs with alarming frequency, the long trek made by children to find water is a major impediment to their education.