Science: Hot Stuff

After every afternoon movie she saw, for two years, a teen-age acquaintance of Chicago Physiologist Nathaniel Kleitman took her own temperature. A girl in her 20s took similar readings after 29 shows in two months.

In Science Dr. Kleitman reports that a movie raised the teen-ager's temperature one degree above her usual temperature at the same hour (once she topped 100°). The older girl usually heated up half a degree; when she saw a double feature, the rise was less. (Possible explanation: temperature ordinarily falls as evening advances.)

Dr. Kleitman, an expert on human body temperature who once lived in a cave to...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!