Peter McClive's Public Lists

If each of your steps covered 5 million years you could walk the 13.75 Billion years since the Big Bang in just 2000m. In this video we get a sense of the time taken for life to evolve on Earth and the relative timings of the arrival of new species. Following the video are a collection of excell...

Created: Sep 24, 13 Modified: Oct 16, 13