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07 October 2009
Why do bunnies twitch their noses? The faster it wiggles, the more receptors are exposed. When a rabbit is frightened or excited, its nose may twitch 120 times a second.
I once had a science fiction story where Our Heroes are picked up by an alien ship of blind bunny-like races. All the technology was done via scent and twitch movement, so they had to get good at the smell-and-vibrate equivalent of Windows 95.