The Microscope

ISBN: 9780531139028

作者: Christine Petersen

出版社: Scholastic Library Pub

出版年: 2006-9

页数: 80

定价: $ 11.24

装帧: Pap

内容简介

It is difficult for us to imagine now how mysterious the world once seemed. Ailments came and went and no one knew what caused them. When we were finally able to see the world of life that exists just beyond our ability to see without aid, it was an astonishing moment that allowed for giant leaps in all sorts of scientific fields.