In the third episode of this series, Dr Helen Czerski looks at the colours beyond the rainbow and the invisible world of infra-red and ultra-violet. While these wave froms of light are invisble to us, many animals in the animal kingdom can tap into them giving them a massive evolutionary advantage o[...]
Planet Earth is the most colouful place that we know of, it is a huge part of what makes our home so special. But what is colour? And how has our peception of it shaped the history of our planet. In the first episode Dr Helen Czerski looks at how the earth was transformed from just another dry[...]
A collection of colour documentaries to watch online.