How far back is way back? When we see the bones of a dinosaur or the outline of a plant in rock, even the remains of a prehistoric campfire, we're fascinated. Then we ask, How long ago was that? Naturally, none of these things comes with a calendar and yet nature provides us with the tools to place these objects in time. This is a look at how human ingenuity using nature's clues has given us a timeline billions of years into the past.
Language
English
Pages
21
Format
Kindle Edition
Nature's Tools For Creating Fossils and Dating the Past
How far back is way back? When we see the bones of a dinosaur or the outline of a plant in rock, even the remains of a prehistoric campfire, we're fascinated. Then we ask, How long ago was that? Naturally, none of these things comes with a calendar and yet nature provides us with the tools to place these objects in time. This is a look at how human ingenuity using nature's clues has given us a timeline billions of years into the past.