Science: Light of Love?

June, traditional month for weddings, is also the month with the year's longest days. Professor Thomas Hume Bissonnette, of Trinity College at Hartford, Conn., thinks this no coincidence but scientific cause & effect. Last week he told of some experiments on animals which seem to prove that light (not temperature, as long supposed) is the prime external factor controlling love and mating.

Pink-cheeked, twinkling Biologist Bissonnette is one of the world's leading authorities on photoperiodicity — the study of the effect of light on animals' and plants' seasonal cycles. The earliest application of this science,...

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!