BBC - Super Senses The Secret Power of Animals (2014) part 1 sight

Our human senses are pretty incredible - but we only see, hear and smell a tiny fraction of what's out there. There is a hidden world that animals across the globe can experience. Biologist Patrick Aryee and physicist Helen Czerski go beyond the limits of human perception to explore the extraordinary and surprising world of animal senses.

Part 1: Sight

We explores the extraordinary sense of sight in the animal world. We travel through the colours of the rainbow, across the spectrum of light our eyes can see - and beyond. Presenters Helen Czerski and Patrick Aryee reveal how caribou use UV light to avoid wolves, discover how seeing in slow motion lets dragonflies make a kill in the blink of a human eye and show how one animal can see in pitch-darkness - without using its eyes.

BBC Site

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