The winter solstice, the shortest day and longest night in the Northern Hemisphere, marks the start of astronomical winter and signals gradually lengthening days ahead, while explaining how Earth’s tilt, solstices, equinoxes, and seasonal definitions shape daylight and climate cycles
The discovery could lead to the development of drugs that enhance infection-fighting abilities by targeting the circadian clock in neutrophils, according to researchers at Waipapa Taumata Rau, University of Auckland.
