Sir Harold W. Kroto, a winner of the 1996 Nobel Prize in Chemistry, gave a lecture on nanoarchitecture in May 2007, in Brussels. "Find something to do where only your best effort will satisfy you," he advised students. Sebastien Pirlet/AFP/Getty Images hide caption
A professor at Princeton University since the 1980s, Angus Deaton has won this year's Nobel in economics for his work on poverty and consumption. NPR hide caption
Kroto displays a model of his discovery in 1996: a soccer ball-shape carbon molecule that spawned a new field of study and could act as a tiny cage to transport other chemicals. Michael Scates/AP hide caption
Belarusian journalist Svetlana Alexievich, during the ceremony for the German Book Trade Peace Prize, which she won in 2013. Daniel Roland/AFP/Getty Images hide caption
The model of a DNA stands on a desk during a press conference to announce the winners of the Nobel Prize in Chemistry 2015 on Wednesday at the Royal Swedish Academy of Sciences in Stockholm. Sweden's Tomas Lindahl, Paul Modrich of the US and Turkish-American Aziz Sancar won the Nobel Chemistry Prize for work on how cells repair damaged DNA. Jonathan Nackstrand/AFP/Getty Images hide caption
Professors Anne L'Huillier, left, Goran K. Hansson and Olga Botner, right, announce the winners of the 2015 Nobel Prize in Physics, in Stockholm, on Oct. 6. Fredrik Sandberg/AP hide caption
The "Super-Kamiokande" neutrino detector operated by the University of Tokyo's Institute for Cosmic Ray Research helped scientist Takaaki Kajita win a share of the Nobel Prize in Physics, along with Canadian Arthur B. McDonald. Kyodo /Landov hide caption
Satoshi Omura, Youyou Tu and William C. Campbell share in the 2015 Nobel Prize in Physiology or Medicine. Nobel Prize Committee hide caption
Nobel Prize-winning physicist Charles Townes was single-minded about a lot of things, colleagues say. And also a very nice guy. Julian Wasser/The LIFE Images Collection/Getty hide caption
The 1962 Nobel Prize Medal in Medicine or Physiology that James Watson sold at auction last week will be returned to him, at the buyer's request. Christie's hide caption
The 1962 Nobel Prize Medal in Medicine or Physiology that James Watson won has been sold at auction. Christie's hide caption
French economist Jean Tirole won the Nobel prize for economics Monday for research on market power and regulation in industries dominated by a few powerful companies. The undated photo was provided by the Toulouse School of Economics. AP hide caption
A woman in Senegal charges her cellphone using a port in her solar-powered LED lantern. Bruno Déméocq/Courtesy of Lighting Africa hide caption
The new microscopy technique (lower right) brings into focus details of cell structures never seen before with light. Courtesy of A. Honigmann, C. Eggeling and S.W. Hell, MPI Göttinge hide caption