Article is about mammals&#x27; sense of smell. However, following wikipedia trail I was surprised to know that bees and wasps are also used for that purpose.
<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Hymenoptera_training" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Hymenoptera_training</a>