Did you know that the "Seven Sisters" known to the Greeks is the same as the "Flint Boys" known to the Navajo?
Did you know that greenhouse
gases are increasing rapidly in the Earth's atmosphere?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Loess
xLoess : An aeolian sediment formed by the accumulation of wind-blown silt and lesser and variable amounts of sand and clay that are loosely cemented by calcium carbonate. Loess is usually homogeneous, highly porous, and is traversed by vertical capillaries t
Scientists who study plants in the Sonoran Desert are worried about global warming. Desert winters have become warmer and drier over the years, and climate changes have pushed the arrival of winter rains...Read more