Smell of death

时间:2019-03-07 06:12:03166网络整理admin

THE key to a long life, at least for the nematode worm Caenorhabditis elegans, is having a poor sense of smell. Molecular biologists Cynthia Kenyon and Javier Apted of the University of California at San Francisco discovered that impairing the worm’s ability to smell can double its lifespan (Nature, vol 402, p 804). According to Kenyon, some signal in the environment influences how quickly the worms grow old,