Blame pseudogenes! Olfactory receptor Varun Gupta had it right. Basically those genes weren't selected for so they lost integrity and we lost a portion of our ability to smell. read more
The human sense of smell Although the human sense of smell is feeble compared to that of many animals, it is still very acute. We can recognise thousands of different smells, and we are able to detect odours even in infinitesimal quantities. read more
Your sense of smell is a powerful sense that can not only determine who you are most attracted to, but can also be a strong trigger for memories and have a significant effect on your mood. When it comes to attraction, your nose knows what’s best, since all people subconsciously sniff out others who are more compatible as mates. read more