Washington [U.S], July 21 (ANI): Warm-bloodedness is a key mammal trait, but it's been a mystery when our ancestors evolved it. A new study points to an unlikely source for telling a fossil animal's body temperature: the size of tiny structures in their inner ears. The fluid in our ears beco
Washington [US], January 10 (ANI): A study led by the researchers of the Institut de recherche en Sante et securite du travail (IRSST) and the Ecole de Technologie Superieure (ETS University) examined the association of structure of ear canals to the different commonly-used models of earplug
Washington [US], January 8 (ANI): Researchers from the Ecole de technologie superieure (ETS University) and the Institut de recherche en sante et securite du travail (IRSST) analysed the varying structure of ear canals to find a correlation between their shapes and the effectiveness of three