10 Healthy http://www.marksdailyapple.com/reasons-to-stay-healthy
9 Slugs & snails http://wonderopolis.org/wonder/how-are-slugs-and-snails-different/
8 oranges http://homeguides.sfgate.com/long-oranges-grow-fully-developed-tree-59477.html
7 chips https://www.quora.com/Who-made-the-first-bag-of-chips-and-what-flavor-were-they
6 snot http://scienceline.org/2010/02/what-makes-snot-turn-green/
5 black hole http://qz.com/487418/stephen-hawking-explains-how-to-escape-a-black-hole/
4 fly https://au.answers.yahoo.com/question/index?qid=20100929201134AAXAukf
3 Universe http://io9.com/5526583/if-the-universe-is-expanding-whats-it-expanding-into
1 dog http://www.guinnessworldrecords.com/world-records/oldest-dog