Humans are the only animals whose faces redden with embarrassment. Should we see that as an affliction, or as a blessing?‘Blushing is the most peculiar and most human of all expressions,” Charles Darwin once wrote, and he wasn’t wrong.

Humans are the only animals whose faces redden with embarrassment. Should we see that as an affliction, or as a blessing?‘Blushing is the most peculiar and most human of all expressions,” Charles Darwin once wrote, and he wasn’t wrong.