The doctor is about to intubate the patient's trachea.

Shiftwork, the fact that indoor work environments are significantly darker than the sunlit outdoors, and the widespread use of chronobiologically active drugs such as caffeine, and so on also affect our rhythms.

Are you taking your Sunday girl to the dance?

Our method relies on both the geometric and the algebraic aspects of the problem: the complete geometric description of the cohomology of Brown's moduli spaces and the coradical filtration of cofree cooperads..