“DNA repair mechanisms are crucial to our existence. Without them, we would not survive because of DNA damage caused by the environment (e.g UV light damage, radiation etc.). This crucial research into discovery of 3 DNA repair mechanisms was led by Thomas Lindahl, Paul Modrich and Aziz Sancar who jointly received this years Nobel Prize in Chemistry”
“Nobel Prize in Chemistry 2015: DNA Repairing Mechanisms that Keep you Alive”
http://labiotech.eu/nobel-prize-2015-dna-repairing-mechanism-keeps-alive-rewarded/