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 you can submit your own poem about this month's featured weather image?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Magnetic polarity reversal
xMagnetic polarity reversal : A magnetic polarity reversal is a change of the earth's magnetic field to the opposite polarity. This has occurred at irregular intervals during geologic time.
Daniel Wolf Savin, a senior research scientist at Columbia University's Astrophysics Laboratory, has published a paper on the research he and his colleagues have done on how stars began. In their research,...Read more