| 1 | Chemistry is an important natural science. | |
| 2 | He successively won the National Science and Technology Progress Award and the National Natural Science Award. | |
| 3 | Steinbeck went on to develop his interest in natural science and to write many more books. | |
| 4 | The theory of evolution provides us with methods and ways to understand the essence and development laws of things, and its impact covers natural sciences, social sciences, philosophy, and other fields. |