The 2018 Nobel Chemistry laureate, Frances H. Arnold poses during the traditional Nobel Chair Signing ceremony at the Nobel Museum in Stockholm, Sweden, on Thursday Dec. 6, 2018.
The 2018 Nobel Chemistry laureate, Frances H. Arnold poses during the traditional Nobel Chair Signing ceremony at the Nobel Museum in Stockholm, Sweden, on Thursday Dec. 6, 2018. TT via AP Claudio Brescian
The 2018 Nobel Chemistry laureate, Frances H. Arnold poses during the traditional Nobel Chair Signing ceremony at the Nobel Museum in Stockholm, Sweden, on Thursday Dec. 6, 2018. TT via AP Claudio Brescian