Did you know that about 250 million years ago, almost all life in the ocean became extinct?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
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
Air pollution can get high in the atmosphere – high above most of the clouds you see in the sky. Scientists are finding air pollution like black carbon, sulfur dioxide, and nitrogen oxides more than 2...Read more