Sea otters hold hands while sleeping so they don’t drift away from each other.
104
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
A man's beard grows fastest when he anticipates sex.
239
Historically, sweat has been an active ingredient in perfume and love potions.
309
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456