成人快手

Paleoanthropologist Ella Al-Shamahi asks why we blush. Even Darwin was intrigued by blushing. He called it 鈥渢he most peculiar and most human of all expression鈥� but didn鈥檛 think it had a function. Dr Laith Al-Shawaf from the University of Colorado makes students do embarrassing things to understand why we blush and how blushing can make people like you more when you make a mistake.