1. To ensure the new stuff is as good as or better than the old stuff. This is especially important when creating new drugs or medical devices, as it is essential to make sure that they are safe and effective before they are made available to the public.
2. To learn more about the new stuff. By comparing it to the old stuff, scientists can gain insights into how it is different and how it might work. This information can be used to improve the new stuff or to develop new applications for it.
3. To satisfy scientific curiosity. Scientists are naturally curious about the world around them, and comparing the new stuff they create with the old stuff is a way to satisfy this curiosity. It can also lead to new discoveries and insights.
4. To improve the scientific process. By comparing the new stuff they create with the old stuff, scientists can learn from their mistakes and improve their methods. This can lead to more efficient and effective research, which can ultimately benefit society as a whole.
In conclusion, there are many reasons why scientists might want to compare the new stuff they create with the old stuff. These reasons include ensuring the new stuff is safe and effective, learning more about it, satisfying scientific curiosity, and improving the scientific process.
