... lots of bugs. From the tip of your nose until about your elbow, there were just bugs. Then came the seaweeds that I mentioned before. We ve found fossil remains of them. Sometimes we see them ... In this fi rst chapter we are going to travel a long way – from the tip of your nose to your wrist. And, as we shall see, for much of this extremely long period of time (from about 3500 to a ... through them. Then, using a very powerful microscope, the scientists were able to fi nd the actual fossilised remains of the bugs that made the stromatolites. We owe a lot to these bugs, particularly...