1. Both male and female subjects succeeded in identifying the smell of fright at a rate better than chance, the researchers found. 2. Now, a study of mice has found that mammals use multiple sensors to identify different smells. 3. The belief that a dog identifies the smell of human fear misses the mark by a great distance. 4. The same sensors are triggered in different combinations to identify different smells. 5. A friend who came by identified the smell as natural gas. |