I have studied fossils for over ten years. I studied dinosaur fossils, various small fossils under microscopes, fossils of 300 million years ago, microscopic fossils of cells and tissues in meteori...lihat lebih banyakI have studied fossils for over ten years. I studied dinosaur fossils, various small fossils under microscopes, fossils of 300 million years ago, microscopic fossils of cells and tissues in meteorites and in moon rocks. Recently I have been concentrating on looking for fossils on Mars.lihat lebih sedikit