I Didn't Know That

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I Didn't Know That
Genre Science
Created by Richard Ambrose and Jonny Phillips
Starring Richard Ambrose and Jonny Phillips
Narrated by Vicki Butler-Henderson
Country of origin United Kingdom
Original language(s) English
No. of episodes 31
Running time 30 mins
Original network National Geographic Channel
Original release 2006

I Didn't Know That is a documentary television show hosted by British industrial scientists Richard Ambrose and Jonny Phillips. Since 2006, 30 episodes and a "DIY Green" special have been made. A new series is not expected as the National Geographic Channel has made other science programmes (including Planet Mechanics and What Would Happen If...?). In some episodes, the hosts nearly kill themselves[citation needed] in order to prove certain theories or to finish a dangerous experiment. In a certain episode section "Fact of Fiction", the show hosts seem to promote dowsing as an actual science.[citation needed]

Episode 24[edit]

Celebrates the 100th anniversary of the bra. Richard and Jonny discover that 80% of women wear the wrong size bra. In particular, this is because chest diameter and maximum breast diameter rather than the volume is measured. An English engineer doctor, Tyra, has developed a bra design with crossed straps in the back. That uses the weight of one breast to lift the other, using counterbalance. Standard designs constrict chest movement during breathing. One of the tools used in the development has been a projective differential shape body analyzer for 40 000 GBP.[1][2]


  1. ^ National Geographic TV-show, "I didn't know that" number 24
  2. ^ "I Didn't Know That, episode 24". Archived from the original on 2011-07-14.  100505 ngcimedia.com

External links[edit]