A big problem with restoring old arcade or pinball machines is finding original parts to get them running again. That’s part of the fun, though; when something finally works after weeks or months of ...

Researchers have discovered a key mechanism underlying how animals keep track of the seasons. The study shows how circadian clock machinery in the brain encodes seasonal changes in daylight duration ...

Life on earth is based on recurring 24-hour environmental cycles that are genetically encoded as molecular clocks active in all mammalian organs. Communication between these clocks can control ...