Subcategories - Earth Sciences

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  1. Miller Discovers a Dinosaur Egg Containing the Oldest Known Embryo
  2. New Fault Is Discovered Under Los Angeles
  3. Oldham and Mohorovičić Determine the Structure of the Earth’s Interior
  4. Ozone Hole Is Discovered
  5. Petrified Dinosaur Heart Is Found in South Dakota
  6. Piccard Invents Bathyscaphe
  7. Pierre Teilhard de Chardin
  8. Powerful Earthquake Hits Kobe, Japan
  9. Rachel Carson
  10. Richter Develops a Scale for Measuring Earthquake Strength
  11. Robert Duane Ballard
  12. Rowland and Molina Theorize That Ozone Depletion Is Caused by Freon
  13. Rudolf Geiger
  14. Schaefer Performs Cloud Seeding by Using Dry Ice
  15. Scientists Develop a Technique to Date Ancient Obsidian
  16. Scientists Identify Crater Associated with Dinosaur Extinction
  17. Scientists Report Record-Size Hole in Antarctic Ozone Layer
  18. Scientists Warn That CFCs Are Destroying the Ozone Layer
  19. The Sealab 2 Expedition Concludes
  20. Shuttle Endeavour Gathers Radar Images for Three-Dimensional Maps of Earth
  21. Sir Charles Lyell
  22. Sir Robert Abbott Hadfield
  23. Solar One, the Prototype Power Tower, Begins Operation
  24. Teisserenc de Bort Discovers the Stratosphere and the Troposphere
  25. Tiros 1 Becomes the First Experimental Weather Reconnaissance Satellite
  26. The U.S. Bureau of Mines Is Established
  27. United Nations Environmental Conference
  28. The United States Government Bans DDT Use to Protect the Environment
  29. Van Allen Discovers the Earth’s Radiation Belts
  30. Vilhelm Bjerknes
  31. Wegener Proposes the Theory of Continental Drift
  32. White House Conservation Conference
  33. Wiechert Invents the Inverted Pendulum Seismography
  34. World Meteorological Organization Reports Ozone Loss
  35. World Nations Approve Kyoto Plan for Reducing Harmful Emissions
  36. X-Ray Crystallography Is Developed by the Braggs
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