paul barrett, here studying some dinosaur skin, says that the supposed feathers could be something else. >> there are a number of features of these feathers that actually look completely unlike those we've seen in any other feathered animal that's ever existed, and i strongly suspect that what we're seeing instead is experimentation with the skin structures and maybe unusual scales that have feather-like attributes. >> others, though, believe that the new research shows that dinosaurs had feathers from the very beginning and were widespread. bbc news. >> so we still don't know for sure. and that brings today's show to a close. but you can find more on all the day's news at our website. for all of us here at bbc world news america, thank you very much for watching and do have a great weekend. >> funding of this presentation is made possible by the freeman foundation, newman's own foundation, giving all profits to charity and pursuing the common good for over 30 years. kovler foundation, and union bank. >> for nearly 150 years, we believe the commercial bank owes its clients strength, sta