ARTICLE AD BOX
By Georgina Rannard
BBC News Climate & Science
The Nobel Prize in Chemistry has gone to Carolyn Bertozzi, Morton Meldal, and Barry Sharpless for their work on snipping molecules together, known as click chemistry.
The winners will share prize money of 10 million Swedish krona (£800,000).
Last year's award went to two scientists who developed tools for building molecules.
On Monday, the committee gave the Physiology or Medicine prize to Svante Paabo for work on human evolution.
Previous winners of the Nobel Prize in Chemistry
2020 - Emmanuelle Charpentier and Jennifer Doudna received the award for developing the tools to edit DNA.
2019 - John B Goodenough, M Stanley Whittingham and Akira Yoshino share the prize for their work on lithium-ion batteries.
2018 - Discoveries about enzymes earned Frances Arnold, George P Smith and Gregory Winter the prize
2017 - Jacques Dubochet, Joachim Frank and Richard Henderson were awarded the prize for improving images of biological molecules
2016 - Jean-Pierre Sauvage, Fraser Stoddart and Bernard Feringa shared the prize for the making machines on a molecular scale.
2015 - Discoveries in DNA repair earned Tomas Lindahl and Paul Modrich and Aziz Sancar the award.