The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
Every workday, 6.7 million people commute to Manhattan!
26
On average women can hear better than men.
170