A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
More redheads are born in Scotland than in any other part of the world.
85
Girls have more tastebuds than boys.
124
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
People with blue eyes are better able to see in the dark.
153
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Yawns are more contagious among people with closer relationships.
163