He has also appeared regularly on television and radio programs worldwide.

The story hit the news media on 4 February 2009 and appeared in newspapers worldwide, even making the front page of some.

Within just a few years, the column appeared in over 600 newspapers worldwide.

Hundreds of articles about his research have appeared worldwide in over 10 different languages.

At its height during the late 1990s, the dance party appeared on over 50 radio stations in 38 countries worldwide.

Today, Potter's characters and others appear on a host of products worldwide.

The single was successful in radio throughout 2003 and appeared on several singles charts worldwide.

His articles and poems have appeared in many publications worldwide.

As of September 2011, the strip was appearing in 650 newspapers worldwide.

Portfolios of their work have appeared in fine art and photography magazines worldwide.