In these audio interviews from NOVA Online, Barbara Forrest, a philosophy professor, and paleontologist Kevin Padian address the basis of a general misunderstanding of what a scientific theory is.

For more than 150 years ago, the assumption that language is a singular event has hampered progress in explaining its evolution. Another obstacle was the failure to recognize that certain social ...

One of the most promising theories for the evolution of human speech has finally received support from chimpanzee communication, in a study conducted by a group of researchers led by the University of ...