Explore the physiological effects of stress, and investigate the techniques of Tibetan monks to regulate their body temperature. Attach a thermistor to your fingertip to see if relaxation techniques can produce changes in body temperature.

This site from MayoClinic.com provides great information on meditation. The article is entitled, "Meditation: Calming your mind, body and spirit". Describes what meditation is and how it works, along with giving a list of links.