This article discusses a measurement of deterioration of old books and historical documents that is based on the smell of the materials.Borchardt, John KWriter
In the test, participants sniff odor labels that have been placed on a card to assess their ability to identify, remember and discriminate between different scents. People sample each odor, and then name the odor from a set of four options. Questions follow about how sure they are of their ...
Always have a microfiber towel or something similar with you so that your dog can use it as a carpet. It takes up very little space in the backpack, but, when you stop, it allows you to delimit a space for him like his carpet or bed at home. Most dogs will appreciate it very muc...