Using the latest technology, "Sounds of Nature" brings viewers to a world beyond their own, discovering secrets hidden until now; director: Bridget Appleby.
A hair-raising journey into the salon, the lab, a remote Chinese village, a baby nursery and even a wildlife sanctuary to explore the surprising new research at the root of it all.
Sarika Cullis-Suzuki uncovers what it was like to grow up in prehistoric times and how kids once lived, played and learned tens of thousands of years ago.
