ScienceDaily: For many living things, a roughly 24-hour internal clock governs the rhythms of life -- everything from sleep in animals, to leaf opening in plants and reproduction in bread mold. Scientists have come to understand much about this internal time-keeping system, but one important aspect, its complex response to temperature, remains enigmatic. The reason is that while warming and cooling cause the clock to shift forward or backward, they cannot shorten or lengthen its 24-hour cycle. New research, published...