When Tolaas encounters a specimen in the field that she wants to add to her scent library — which contains 6,730 samples harvested over the past 20 years — she collects an actual piece of the item and seals it in a can for later study.
10 / 11

When Tolaas encounters a specimen in the field that she wants to add to her scent library — which contains 6,730 samples harvested over the past 20 years — she collects an actual piece of the item and seals it in a can for later study.