Narwhal tusks are twisty, magical mathematical marvels

More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy . Narwhal () tusks may not really be magical, but they do have some mathematical magic. Their tusk is actually made up of two spirals (or helices) instead of one.