Did you know that the Maya and the Aztecs were early observers of Venus?
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 of Louisiana State University (LSU) want to know more about the role...Read more