How We Know What Happened in Earth's Past - Like Ancient Climate, Geology, and Extinctions

Explore the fascinating methods scientists use to reconstruct Earth's ancient past in this comprehensive 51-minute video. Delve into the world of paleoclimate proxies, including physical, chemical, and biological signatures preserved in rocks. Learn how these proxies reveal ancient climate trends, geological events, and biological evolution. Discover the importance of stable isotopes, trace elements, and fossils in understanding Earth's history. Gain insights into terrestrial and aquatic biological proxies, and explore additional techniques used to uncover our planet's past. Enhance your understanding of Earth's complex history and the scientific methods used to unravel its mysteries.

How we reconstruct Earth’s past
Why we study Earth’s past
How paleoclimate proxies work
Physical proxies
Chemical proxies
Stable isotope chemical proxies
Carbon isotope example
Oxygen isotope example
Sulfur isotope example
Trace element chemical proxies
Biochemical proxies biomarkers
Biological proxies fossils
Terrestrial biological proxies
Aquatic biological proxies
Honorable mention proxies