Listen to NPR's anthropological exploration of human vocal development. "The first time we see human skulls — fossils — that have everything in place is about 50,000 years ago where the neck is long enough, the mouth is short enough, that they could have had a vocal tract like us." ~Dr. Philip Lieberman
'''Crab-eating Macaque''' (''Macaca fascicularis'') Batu Caves, Malaysia Photographer: Andrew Lih
Voice experts Lee Akst., M.D., and Kristine Teets explain how we use vocal fry and its effect on your vocal health.