Did you know that Colonial Americans used large sheets of mica as glass for windows?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Tide
xTide : A tide is the regular rising and falling of the ocean's surface caused by the gravitational pull of the Moon and the Sun on the ocean and the Earth's rotation.
The National Center for Atmospheric Research (NCAR) in Boulder, Colorado has released powerful new computer software so scientists can study climate change in much more detail than ever before. The Community...Read more