Why ketchup is so damn hard to pour—and how to pour it perfectly

Ketchup, that delicious nectar of a condiment, is more annoying than it should be to pour out and enjoy. Why? Partly because of the dumb bottle it's in but mostly because it's a non-newtonian fluid in more than one way. Watch TED-Ed explain why it's so damn hard to pour out and what you should do instead in this… »4/08/14 8:06pm