Dr. Universe: How do worms help protect the dirt? -Fisher, 7, Palouse, WA
Dear Dr. Universe: Why do worms come out when it rains? -Courtney, Moscow, IDrcwebber
That’s a great observation. When it rains, worms sometimes leave their home in the soil and wiggle their way up to the surface, where we see them on sidewalks and roads.Read More ...
Dear Dr. Universe: Why is the map the way it is? - Pablo, Spokane, Wash.rcwebber
Next time you eat an orange, try getting the peel off in one piece. Next, try to flatten out your peel. You’ll likely find it a bit tricky to make something round perfectly flat.
The same is true when we map our three-dimensional world onto a flat surface. It doesn’t work very well. That’s what I found out when I went to visit my friend Rick Rupp, a Washington State University researcher.
Rupp is an expert on geographic information systems, which can help us capture and analyze the geography of our planet. He explained that maps can show us all kinds of … » More …Read More ...