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?
Ooids
xOoids : Small (< 2 mm), spheroidal, layered sedimentary grains, usually composed of calcium carbonate, but sometimes made up of iron- or phosphate-based minerals.
Scientists are currently tracking the effects of the oil spill on the wetlands of the Louisiana coast. Robert Twilley and Guerry Holm, scientists from Louisiana State University (LSU), want to learn about...Read more