Typically when you look at a geologic time scale, the Precambrian is all scrunched up, so even though it accounts for about 80% of Earth’s history, you forget how significant it is in the whole scheme of things. Putting the time scale into perspective like this just makes me marvel even more at human existence…… Continue reading ~4.55 BILLION YEARS – TO SCALE!
Emily Zawacki, Ph.D. 