Why is it that we perceive some tastes/smells as good, while others are bad?
In: 7
Good = high calorie food helping survival, bad = rotten food likely to give us food poisoning and reduce survival chances.
Other smells like the smell of cut grass may also help survival, grass cut releases what is known as green leaf volatiles which are the series of alcohols, aldehydes and esters released by plants when their leaves are damaged by being eaten or cut. This smell would identify the location of grazing herbivores. https://youtu.be/zONgjomdjTw
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