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PBS
Pbs: A Science Odyssey
Website for the PBS series "A Science Odyssey." Numerous opportunities to explore the people and discoveries of science.
Lawrence Berkeley National Laboratory
Berkeley Lab: The Fruitful & Inventive Mind of Scientist Luis Alvarez
This article, reprinted from the fall 1979 LBL News Magazine, was written about Dr. Luis Alvarez and his part in the study of geological sediments and the great extinctions.
Nobel Media AB
The Nobel Prize: Microscopes Help Scientists Explore Hidden Worlds
This is a site full of information about various microscopes and the objects and processes scientists study with them. Includes timelines and interactive simulations.