Earth Science







The Nazca Lines

A few years ago I saw a directory listing with a description of something like: “I was abducted by aliens last summer. It really happened.”  Though I had a lot of interest in aliens, I did not even consider visiting…
Read more

How a Thunderstorm Forms

There are three things needed for a thunderstorm. One is moisture in the air to form clouds and rain. Two, unstable air is warm air that rises rapidly. The third component of a thunderstorm is ‘lift’. Lift factors include sea breezes, weather fronts, and…
Read more