circadian rhythms

“It is the very error of the moon: She comes more nearer earth than she was wont, And makes men mad.” - Othello, William Shakespeare
While Circadian rhythms are perhaps the best know example of biologic rhythms, there are many more. Our heart rate, for one, is begun by a cyclic chemical response in our cardiac sinus or pacemaker.
The 2017 Nobel Prize in Physiology or Medicine was announced yesterday and, suffice it to say, it was a surprise.
The new school year is quickly approaching and with it comes early start times for high school s