
US President Barack Obama awards the National Medal of Science to Dr. Armand Paul Alivisatos, University of California, Berkeley and Lawrence Berkeley National Lab, CA for his foundational contributions to the field of nanoscience; for the development of nanocrystals as a building block of nanotechnologies; and for his leadership in the nanoscience community at the White House in Wahington, DC, on May 18, 2016. / AFP PHOTO / Nicholas KammNICHOLAS KAMM/AFP/Getty Images


