Astronomer/ Professor Dr. Kate Dellenbusch explains different ways to safely view a solar eclipse, the science behind why these methods work, and how to create a pinhole viewer.
Click the image to watch the video on PBS LearningMedia.
Saguaro National Park receives about 10 inches of rain a year, but has some of the highest biodiversity in North American. Learn how plants and animals are adapted to a hot and dry environment.