It seems there's nothing like natural beauty to bring out the best in high-definition technology. The BBC's Planet Earth: The Complete Series has been wowing high-definition audiences in the States where it's been pronounced as the biggest money-spinner to ever hit the HD-DVD and Blu-ray disc market.

Great! So maybe people really do want to know more about science ...

"This series was made for high definition," Sanders says. "Its success points to consumers wanting to see and hear high-definition content, and there isn't a huge amount of true content available from broadcast or cable or satellite."

Oh, I guess not. It's just about pretty pictures and high-tech bling.

BBC's Planet Earth is highest grossing HD disc in US