Environmental Science
-
Radioactivity
Video on Radioactivity: isotopes, radiation, and carbon dating.
-
More on Matter: Ions, Molecules, and Chemical Bonding
Slideshow on Matter: Lecture #2 (of 2).
-
Matter
Slideshow lecture on Matter. Lecture #1 (of 2).
-
Deforestation in Amazonia
Slideshow images of deforestation in the Amazon rainforest.