Dec 6, 2021
Italian physicist Giorgio Parisi, left, attends with Italian Minister for University and Research Maria Cristina Messa, the 2021 Nobel for Physics award ceremony at La Sapienza University in Rome, Italy, Monday, Dec. 6, 2021. Parisi was presented with the Nobel Prize for Physics medal and diploma by the Ambassador of Sweden to Italy Jan Björklund. The 2021 Nobel Prize ceremonies are being reined in and scaled-down for the second year in a row due to the coronavirus pandemic, with the laureates receiving their Nobel Prize medals and diplomas in their home countries. (AP Photo/Andrew Medichini)