Karl Ritter

Associated Press

Hundreds protest against climate change and urge world leaders to take action, in a march coinciding with the Climate Conference, known as COP22, taking place in Marrakech, Morocco, Sunday, Nov. 13, 2016.

2016 Will Break Heat Record Again

The World Meteorological Organization said 16 of the 17 hottest years have occurred this century.

The Royal Academy of Sciences members reveal the winners of the Nobel Prize in Chemistry, at the Royal Swedish Academy of Sciences, in Stockholm, Sweden, Wednesday, Oct. 5, 2016. Jean-Pierre Sauvage, Fraser Stoddart and Bernard Feringa have been awarded the Nobel chemistry prize.

3 Win Nobel for Tiny Machines

The work could revolutionize computer technology and lead to a new type of battery.

In this July, 2016 photo, Japanese scientist Yoshinori Ohsumi smiles at the Tokyo Institute of Technology campus in Yokohama, south of Tokyo. Ohsumi was awarded this year's Nobel Prize in medicine on Monday, Oct. 3, for discoveries related to the degrading and recycling of cellular components. The Karolinska Institute honored Ohsumi for 'brilliant experiments' in the 1990s on autophagy, the machinery with which cells recycle their content. Disrupted autophagy has been linked to various diseases including Parkinson's, diabetes and cancer, the institute said.

Nobel Prize for Unraveling Cell Recycling System

Biologist made discoveries on how cells break down and recycle content, a garbage disposal system that scientists hope to harness in the fight against cancer, Alzheimer's and other diseases.