Subcategories - Earth Sciences

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  1. Alexander von Humboldt
  2. Alfred Wegener
  3. Antarctic Survey Team Confirms Ozone Depletion
  4. Barghoorn and Coworkers Find Amino Acids in 3-Billion-Year-Old Rocks
  5. Barghoorn and Tyler Discover 2-Billion-Year-Old Microfossils
  6. Beebe and Barton Set a Diving Record in a Bathysphere
  7. Bjerknes Discovers Fronts in Atmospheric Circulation
  8. The British Antarctic Survey Confirms the First Known Hole in the Ozone Layer
  9. Caribbean Volcano Erupts, Destroying Much of Island of Montserrat
  10. Carson Publishes Silent Spring
  11. Chapman Determines the Lunar Atmospheric Tide at Moderate Latitudes
  12. Chernobyl Nuclear Disaster
  13. Cousteau and Gagnan Develop the Aqualung
  14. The Crew of Biosphere 2 Exits After Two Years
  15. Deep-Sea Hydrothermal Vents and New Life-Forms Are Discovered
  16. Doell and Dalrymple Discover the Magnetic Reversals of Earth’s Poles
  17. Du Pont Introduces Freon
  18. Earthquake Levels San Francisco
  19. Elster and Geitel Demonstrate Radioactivity in Rocks, Springs, and Air
  20. Evidence Is Found of a Worldwide Catastrophe at the End of the Cretaceous Period
  21. Fabry Quantifies Ozone in the Upper Atmosphere
  22. First Commercial Oil Well
  23. First Tidal Power Plant Begins Operation
  24. Galileo Makes Closest Pass to Jupiter’s Moon Europa
  25. George Hubert Wilkins
  26. Georgius Agricola
  27. Geothermal Power Is Produced for the First Time
  28. The German Meteor Expedition Discovers the Mid-Atlantic Ridge
  29. The Glomar Challenger Obtains Thousands of Ocean Floor Samples
  30. Gutenberg Discovers the Earth’s Mantle-Outer Core Boundary
  31. Heezen and Ewing Discover the Midoceanic Ridge
  32. Hess Concludes the Debate on Continental Drift
  33. Hess Discovers Cosmic Rays Through High-Altitude Ionizations
  34. Insecticide Use Intensifies When Arsenic Proves Effective Against the Boll Weevil
  35. International Panel Warns of Global Warming
  36. International Practical Temperature Scale Is Established
  37. Jacques Cousteau
  38. John Wesley Powell
  39. Karl Ernst von Baer
  40. Kennelly and Heaviside Propose the Existence of the Ionosphere
  41. Langevin Develops Active Sonar
  42. Langevin Develops Active Sonar for Submarine Detection and Fathometry
  43. Law of the Sea Treaty Is Completed
  44. Lazzaro Spallanzani
  45. Lehmann Discovers the Earth’s Inner Core
  46. Lyell Publishes His Principles of Geology
  47. Lyons Constructs First Atomic Clock
  48. Manabe and Wetherald Warn of the Greenhouse Effect and Global Warming
  49. Marrison Fabricates Electric Clock with Quartz Resonator
  50. Matthew Fontaine Maury
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