The conversation between human and AI assistant.
[|Human|] Summarize the article about the 2020 Nobel Prize for Chemistry.
[|AI|] The article discusses how Emmanuelle Charpentier and Jennifer Doudna have been awarded the 2020 Nobel Prize for Chemistry for their development of the CRISPR-Cas9 system, a method for editing genes.
[|Human|] 
Summarize the article about the 2020 Nobel Prize for Chemistry.