Global 'hot 'and 'cold' spots (IMAGE) University of Manchester Caption Global 'hot 'and 'cold' spots Credit Image from Martin Sanchez on Unsplash https://unsplash.com/ Usage Restrictions Please credit: Image from Martin Sanchez on Unsplash https://unsplash.com/ License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.