Trilobites: The Circadian Clock in Your Nose Adolescents’ sense of smell worked best during evening hours, a pattern that may be rooted in human evolution. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Q&A: Achoo! What’s That About?Pakistan Honors Nobel-Laureate Physicist of Ahmadi MinorityJapan Is Obsessed With Climate Change. Young People Don’t Get It.Global Health: Yellow Fever Epidemic in Africa Shows Gaps in Vaccine PipelineDid You Just Forget, or Is It Something More Serious?Introducing the pilotless plane which flies ITSELF – and could soon take YOU on holiday