I know the premise of this column sounds borderline ridiculous and be forewarned that this isn’t a tribute to Alan Funt, but ...

However, only one of these is a “genuine” or Duchenne smile. Discovered by French anatomist Duchenne de Boulogne in 1862, the key difference between this “real” happy smile and a “fake ...

(A genuine smile, which involves a contraction of the muscles at the corners of the eyes, is called a “Duchenne” smile, named for the 19th-century anatomist; its opposite, a forced smile that ...

The 16-year-old’s infectious smile and easy charm have won over everyone from community members to politicians in both Indianapolis and Washington, D.C. But behind his charisma is a powerful cause: a ...