References
10 – Wind - https://worldbuilding.stackexchange.com/questions/61267/what-would-happen-if-there-was-no-wind
https://www.quora.com/What-would-happen-if-there-were-no-wind
https://www.quora.com/What-would-the-world-be-like-without-any-wind
9 – Leapling - https://www.quora.com/If-you-are-born-on-February-29-of-a-leap-year-when-is-your-birthday
https://en.m.wikipedia.org/wiki/February_29
http://www.leapyearday.com/content/ask-clyde-anything-about-leap-day
http://www.leapyearday.com/content/parents-page
8 – new species - http://www.atlasobscura.com/articles/new-animal-species
http://time.com/3892806/top-ten-species-2014/
http://www.livescience.com/topics/newfound-species
http://www.smithsonianmag.com/40th-anniversary/meet-the-new-species-748819/?all
http://earthsky.org/earth/top-10-new-species-of-2016
7 – heatbeat - https://answers.yahoo.com/question/index?qid=20080108134009AA570Bp
http://www.vetstreet.com/dr-marty-becker/how-quickly-should-my-cats-heart-beat
http://pets.thenest.com/rapid-heartbeat-cats-7664.html
http://www.whalefacts.org/blue-whale-heart/
6 – coral – http://floridakeys.noaa.gov/corals/coralanimals.html
http://oceanservice.noaa.gov/facts/coral.html
https://en.m.wikipedia.org/wiki/Coral
http://www.oceanicresearch.org/education/films/coral.html
http://animals.nationalgeographic.com.au/animals/invertebrates/coral/
5 – civilisation - http://historyworld.net/wrldhis/PlainTextHistoriesResponsive.asp?historyid=ab25
https://en.wikipedia.org/wiki/History_of_the_world#Cradles_of_civilization
https://en.wikipedia.org/wiki/Recorded_history
https://www.quora.com/What-is-the-oldest-civilization-on-Earth
https://www.timemaps.com/civilizations/ancient-mesopotamia/
4 – Brobodur - http://www.nationalgeographic.com/travel/world-heritage/borobudur-temple/
https://www.lonelyplanet.com/indonesia/borobudur/attractions/borobudur-temple/a/poi-sig/1216707/356565
http://whc.unesco.org/en/list/592
https://en.wikipedia.org/wiki/Borobudur
3 – first writing - http://www.mesopotamia.co.uk/writing/home_set.html
https://en.wikipedia.org/wiki/Cuneiform_script#Usage
http://www.metmuseum.org/toah/hd/wrtg/hd_wrtg.htm
http://www.archaeology.org/issues/213-1605/features/4326-cuneiform-the-world-s-oldest-writing
http://historyworld.net/wrldhis/PlainTextHistoriesResponsive.asp?historyid=ab33
2 – first car - https://en.wikipedia.org/wiki/Benz_Patent-Motorwagen
https://en.wikipedia.org/wiki/History_of_the_automobile
http://www.cheatsheet.com/automobiles/oldest-cars-in-the-world.html/?a=viewall
https://en.wikipedia.org/wiki/Nicolas-Joseph_Cugnot
1 – yellow teeth - http://www.livescience.com/54420-yellow-teeth.html
http://www.webmd.com/oral-health/guide/tooth-discoloration
https://www.healthambition.com/what-causes-yellow-teeth/
http://askthedentist.com/prevent-yellow-teeth/