Walker, J.D., Geissman, J.W., Bowring, S.A., and Babcock, L.E., compilers, 2012,
Note that the compilers are still accepting comments on the overall content of
Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-
billion-year history. A lot has happened in that
In this educational animated movie about Science learn about timescales, eon, eras, epochs, stratigraphy, radiometric, dating, and fossils.
This section highlights animations, images, interactive graphics and videos used
to teach the concept of
HADEAN. LOADING... THE STORY OF A.
There's good old Mother Earth. Say, did you ever wonder about all of the things that have ever happened on Earth and how old it really is? As it turns out, Mother ...