Professor Pernilla Wittung Stafshede, left, and Goran K. Hansson, Secretary General of the Academy of Sciences, after announcing the winners of the 2020 Nobel prize in Chemistry during a news conference at the Royal Swedish Academy of Sciences, in Stockholm, Sweden, Wednesday Oct. 7, 2020. The 2020 Nobel Prize for chemistry has been awarded to Emmanuelle Charpentier, left on screen, and Jennifer Doudna ??sfor the development of a method for genome editing.??? (Henrik Montgomery/TT via AP)