Longest running TV science documentary series

According to Official Guinness Records,

Canada’s Nature of Things (CBC) has been on the air since 6 November 1960. The runner-up is the UK’s Horizon (BBC) which debuted 2 May 1964.

For a complete list of 2011 records, please visit 2011 Guinness Records in Canada.

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Other Canada records that might interest you:

• Longest single country distance for an Olympic torch relay
• First inclusion of visually impaired athletes at the Paralympic Games
• Largest ice canoeing race
• Largest non-polar ice field
• Most ringers scored in a Horseshoe Pitching World Championship (female)