17 Sexy Science Facts To Liven Up Parties

14. Your Nose Gets Erections

You may have noticed that there is quite a bit of engorging going on during sex - genitals, nipples, breasts, lips, pupils - but another part of your anatomy that gets its swell on during a bit of hanky panky is, weirdly, your nose.

This has been given the name of "honeymoon rhinitis" and is caused by the presence of erectile tissue in the nasal passages. To what degree you might experience it is thought to be genetically determined. There is also a related condition known as sexually induced sneezing, which, as the name suggests, causes the suffer to sneeze uncontrollably when sexually aroused.

13. The Average Male Can Produce Enough Sperm To Fertilise Every Woman On The Planet In Just Two Weeks

If you ever feel small and insignificant, just remember that you have the ability to dominate the human genome* given the chance (*if you are a fertile male, sorry ladies).

In just two weeks, the average healthy males can produce enough sperm to impregnate every fertile woman on the planet (presuming the success of each sperm). Each teaspoon of semen contains roughly 300 million sperm. You will be unlikely to be able to put it to good use, however, as collecting your sperm with a teaspoon is straight up creepy and tends to put women off.