Weathering and erosion slowly chisel ... Water is nature's most versatile tool. For example, take rain on a frigid day. The water pools in cracks and crevices. Then, at night, the temperature ...

Glaciers can form distinct landforms through erosion of the landscape such as ... These are now called corrie lakes or tarns. An example of a corrie lake is Red Tarn in the Lake District.

Opinions expressed by Forbes Contributors are their own. David Bressan is a geologist who covers curiosities about Earth. Research has shown the complex history behind this gap of missing time ...