ATP (adenosine triphosphate) is the energy-carrying molecule used in cells because it can release energy very quickly. Energy is released from ATP when the end phosphate is removed. Once ATP has ...

Stefanos Tsitsipas added one of the (very) few missing line items to his career resume in Dubai on Saturday night, defeating Felix Auger-Aliassime, 6-3, 6-3, for the first ATP 500 title of his career.