the lesser-known erogenous zones.
Erogenous zones—areas of the body that arouse sexual stimulation in response to a mere brush of skin or breath—can be elusive little devils. Our bodies are all wired differently, so what might work for one person may be a complete, shall we say, anticlimax for another.
eyes, smell and sexual attraction
Individuals with more diverse sets of MHC genes have stronger immune systems. Mates with different MHC genes are thus likely to have healthier offspring. MHC genes also affect body odour, so it is no surprise that many species of animal choose, on the basis of odour, mates with dissimilar MHC genes.
the whole spectrum of sex
Gender is a spectrum. Sexuality is a spectrum. These ideas have gained mainstream acceptance in recent years. But biological sexual anatomy is still assumed to be binary–either you’re born with male or female genitalia. That’s not the case, as a new graphic in Scientific American shows.