This undated photo provided by Polina Pugacheva in April 2025 shows Kseniia Petrova, a Russian-born scientist who was a researcher at Harvard University. (Polina Pugacheva via AP)This undated photo provided by Cora Elizabeth Anderson in April 2025 shows Kseniia Petrova, a Russian-born scientist who was a researcher at Harvard University. (Cora Elizabeth Anderson via AP)This undated photo provided by Cora Elizabeth Anderson in April 2025 shows Kseniia Petrova, a Russian-born scientist who was a researcher at Harvard University. (Cora Elizabeth Anderson via AP)
Polina Pugacheva
This undated photo provided by Polina Pugacheva in April 2025 shows Kseniia Petrova, a Russian-born scientist who was a researcher at Harvard University. (Polina Pugacheva via AP)
