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Amazing Facts About The Narwhal Tusk!
- Published_at:2014-05-14
- Category:Science & Technology
- Channel:DNews
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- description: Narwhals are considered to be "the unicorns of the sea" because of their long tusk on their heads! Did you know these tusks are actually teeth? Laci is here to tell you everything you need to know about Narwhals, including how this tooth is so unique! Read More: Narwhal has the strangest tooth in the sea https://www.sciencenews.org/article/narwhal-has-strangest-tooth-sea "Sometimes called the unicorn of the sea, the male narwhal's tusk is actually a tooth, and it grows directly through the whale's upper lip instead of pushing the lip aside." Sensory ability in the narwhal tooth organ system http://onlinelibrary.wiley.com/doi/10.1002/ar.22773/abstract "The erupted tusk of the narwhal exhibits sensory ability. The hypothesized sensory pathway begins with ocean water entering through cementum channels to a network of patent dentinal tubules extending from the dentinocementum junction to the inner pulpal wall." Unicorn of the Sea: Narwhal Facts http://worldwildlife.org/stories/unicorn-of-the-sea-narwhal-facts "Often dubbed the unicorns of the sea, narwhals are strange and beautiful creatures with long tusks protruding from their heads. Members of the population of more than 80,000 can weigh up to 4,200 pounds and grow as long as 17 feet in length." Watch More: Adorable Animal Hybrids https://www.youtube.com/watch?v=-6rQ-ZgYVaI TestTube Wild Card http://testtube.com/dnews/dnews-114-why-do-we-blush?utm_campaign=DNWC&utm_medium=DNews&utm_source=YT Part Plant, Part Animal? https://www.youtube.com/watch?v=fx5u5tYaSpY ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Trace Dominguez on Twitter https://twitter.com/tracedominguez Tara Long on Twitter https://twitter.com/TaraLongest Laci Green on Twitter http://twitter.com/gogreen18 DNews on Facebook https://facebook.com/DiscoveryNews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq
| ranked in date | views | likes | Comments | ranked in country (#position) |
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| 2014-05-16 | 33,697 | 2,053 | 374 |
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| 2014-05-17 | 291,431 | 2,684 | 578 |
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| 2014-05-18 | 410,043 | 3,006 | 630 |
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| 2014-05-19 | 443,246 | 3,211 | 677 |
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| 2014-05-20 | 465,580 | 3,332 | 697 |
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