The twice-yearly ritual has roots in cost-cutting strategies of the late 19th century. Efforts to end it have stalled in Congress. By Alan Yuhas Hello. You may be here to learn when daylight saving ...

A new study conducted by Song and colleagues reveals that phosphoenolpyruvate (PEP), a metabolite in glycolysis, acts as an innate immune checkpoint by directly inhibiting cyclic GMP–AMP synthase ...