China has been the source of many innovations, scientific discoveries and inventions. Most of the discoveries and inventions were never implemented. The concept of matter has changed in response to new scientific discoveries. Circumstantial luck with accidental happenstance of favorable discoveries and/or inventions is serendipity. Stevin is responsible for many discoveries and inventions. Becquerel has been honored with being the namesake of many different scientific discoveries. She campaigned for scientist's right to patent their discoveries and inventions. Research on RNA has led to many important biological discoveries and numerous Nobel Prizes. The first archaeological discoveries began in 1922. Reproducible research is key to new discoveries in pharmacology. Indy at the forefront of two similar archaeological discoveries. The rise in anatomy lead to various discoveries and findings. Following are some observed discoveries and related hypotheses. The Chinese made many first-known discoveries and developments. It has been described as one of the most important paleontological discoveries in modern times.