Humans can discriminate between similar odors and detect many substances, sometimes more than rodents and dogs. -- The Myth That Humans Have Poor Smell Is Nonscents - The Atlantic -- We can also know which herbs will heal us and when it's appropriate to take them (a delightful thing I've learned as an amateur herbalist as I heal my brain) we are insanely out of touch with our animal selves. We have instinct and intuition like all animals...we can relearn and remember these skills...