Human faces are so variable because we evolved to look unique

The amazing variety of human faces – far greater than that of most other animals – is the result of evolutionary pressure to make each of us unique and easily recognizable, according to a new study by University of California, ...

On the face of it, voting's superficial

Are voters truly sophisticated and rational decision makers? Apparently not. Their choices are heavily influenced by superficial, nonverbal cues, such as politicians' appearance, according to Christopher Olivola from University ...

One in a trillion odds of having a real-life doppelganger

While many people may think they have a doppelgänger (look-alike), new University of Adelaide research has proven the likelihood that two people share the exact same face is in excess of one in a trillion.