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Why Can't These Animals Taste Sweets?

A new study released this week shows that whales used to be able to taste a lot of flavors, but now can only taste salt! Why did this happen? Trace takes a look at why this change took place, and how it's not so uncommon in the animal kingdom. Read More: Why Cats, Other Carnivores Don't Taste Sweets http://news.discovery.com/animals/zoo... "Lions, dolphins, hyenas and other pure carnivores have lost the ability to taste sweet foods." Whales Can't Taste Anything But Salt http://news.sciencemag.org/biology/20... "Tastes are a privilege. The oral sensations not only satisfy foodies, but also on a primal level, protect animals from toxic substances." Why Pooh Bear Loves Honey, But Tigger Doesn't http://www.livescience.com/18994-carn... "Cats will ignore your sugary treats, but will literally jump onto the counter at the chance to scarf down some meaty goodness." What Makes Food Taste Sweet? http://www.livescience.com/32408-what... "A spoonful of sugar makes the medicine go down with some fancy tricks on your tongue, and your eyes." Do animals taste the same thing as humans? http://www.abc.net.au/science/article... "In evolutionary terms, the chemical senses — taste and smell — are the oldest." Watch More: Golden Retriever Facts: Perfect dog, except for...    • Golden Retriever Facts   ____________________ 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_c... DNews on Twitter   / dnews   Trace Dominguez on Twitter   / tracedominguez   Tara Long on Twitter   / taralongest   Laci Green on Twitter   / gogreen18   DNews on Facebook   / discoverynews   DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq