Information Links:
15 –
https://www.scientificamerican.com/article/why-do-cats-purr/
https://www.wired.com/2015/05/why-do-cats-purr/
14 –
https://www.newscientist.com/article/mg22730371-000-why-is-ice-slippery/
https://www.livescience.com/32507-why-is-ice-slippery.html
13 –
http://www.atlasobscura.com/articles/why-its-impossible-to-know-a-coastlines-true-length
http://www.richannel.org/the-coastline-paradox
12 –
http://www.bbc.co.uk/news/science-environment-14616161
http://www.nytimes.com/2011/08/30/science/30species.html
11 –
https://sleepfoundation.org/sleep-news/your-dreams/page/0/1
https://www.scientificamerican.com/article/why-do-we-dream/
http://blog.ed.ted.com/2016/01/25/why-do-we-dream-7-theories-from-science-in-ted-ed-gifs/
10 –
http://www.npr.org/2016/12/27/507063437/is-the-universe-infinite
https://www.newscientist.com/article/mg22730371-200-is-the-universe-infinite-or-just-very-big/
9 –
http://www.historyextra.com/article/feature/what-happened-lost-colony-roanoke-island
https://www.romper.com/p/6-roanoke-theories-that-could-explain-what-happened-to-the-lost-colonists-18677
8 –
https://www.tasciences.com/what-is-a-telomere/
http://gosset.wharton.upenn.edu/mortality/
7 –
http://www.huffingtonpost.com/entry/is-there-evidence-of-life-after-death_us_58ac5e10e4b029c1d1f88f02
http://www.telegraph.co.uk/science/2016/03/12/first-hint-of-life-after-death-in-biggest-ever-scientific-study/
6 –
http://uk.businessinsider.com/biggest-mystery-sleep-is-why-do-we-sleep-neuroscience-2016-2?r=US&IR=T
https://www.newscientist.com/article/2096921-mystery-of-what-sleep-does-to-our-brains-may-finally-be-solved/
5 –
https://www.nasa.gov/vision/universe/starsgalaxies/life%27s_working_definition.html
https://www.khanacademy.org/science/biology/intro-to-biology/what-is-biology/a/what-is-life
4 –
https://www.sciencedaily.com/terms/subatomic_particle.htm
https://www.khanacademy.org/science/biology/chemistry--of-life/elements-and-atoms/a/matter-elements-atoms-article
3 –
http://www.physics.org/article-questions.asp?id=121
https://www.universetoday.com/13377/why-theres-more-matter-than-antimatter-in-the-universe/
2 –
http://www.symmetrymagazine.org/article/a-gut-feeling-about-physics
http://www.particleadventure.org/grand.html
1 –
http://www.iflscience.com/physics/life-inevitable-consequence-physics/
https://phys.org/news/2012-12-life-inevitable-paper-pieces-metabolism.html

Image Links:
Intro-
https://www.pexels.com/photo/person-sky-silhouette-night-32237/
https://pixabay.com/en/beach-sea-lake-v%C3%A4nern-himmel-2914447/
https://www.pexels.com/photo/ancient-cloudy-daylight-england-460648/

15 –
http://maxpixel.freegreatpicture.com/Animal-Pet-Cat-Close-Up-Cats-300572
https://www.videoblocks.com/video/cat-being-scratched-qqadg7g/
https://www.shutterstock.com/image-photo/injured-cat-598019819?src=6hDXX5unIIFEJ5slcZcfFg-1-11
https://www.videoblocks.com/video/jumping-sound-bars-2nzzcqc/

14 –
https://pixabay.com/p-1994496/?no_redirect
https://www.videoblocks.com/video/ice-skating-in-quebec-city-zweur0g/
https://www.videoblocks.com/video/slow-motion-skipping-ice-cube-arq8igf/
https://www.videoblocks.com/video/ocean-covered-in-ice-fhwxdrn/

13 –
https://upload.wikimedia.org/wikipedia/commons/f/fa/Padstow_-_Coastline_Trevose_Head%2C_Bristol_Channel.jpg
https://unsplash.com/photos/Adl90-aXYwA
https://unsplash.com/photos/o94Yu2SsQsE
https://www.videoblocks.com/video/rocky-coastline-xqvuq4o/

12 –
https://upload.wikimedia.org/wikipedia/commons/c/ca/Animals_png_set_by_mossi889-d4uye4q.png
https://www.videoblocks.com/video/monarch-butterfly-metamorphosis-yleweez/
https://www.videoblocks.com/video/glowing-squids-swimming-underwater-i-6zkyj/
https://www.videoblocks.com/video/abstract-1183-bzfblklginaj5t8g/

11 –
https://pixabay.com/p-1518227/?no_redirect
https://www.pexels.com/photo/red-sun-purple-dream-2220/
https://pixabay.com/en/book-dream-travel-fantasy-2899636/
https://unsplash.com/photos/t6t2-gXKxXM
https://www.pexels.com/photo/reflection-playstation-pad-gaming-18174/

10 –
https://upload.wikimedia.org/wikipedia/commons/2/23/Screenshot_from_IMAX%C2%AE_3D_movie_Hidden_Universe_showing_the_Helix_Nebula_in_infrared.jpg
https://www.videoblocks.com/video/space-1095-rmhn8ylxinaj5j39/
https://www.videoblocks.com/video/night-sky-stars-overhead-joshua-tree-e97vlis/
https://www.pexels.com/photo/sky-space-dark-galaxy-2150/

9 –
https://upload.wikimedia.org/wikipedia/commons/3/3d/Indian_Village_of_Pomeiooc_Theodor_de_Bry_1590.jpg
https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Roanoke_map_1584.JPG/250px-Roanoke_map_1584.JPG
https://upload.wikimedia.org/wikipedia/commons/thumb/d/de/Virginia_Dare_A_Romance_of_the_Sixteenth_Century.jpeg/250px-Virginia_Dare_A_Romance_of_the_Sixteenth_Century.jpeg
https://upload.wikimedia.org/wikipedia/commons/7/73/The_white_doe%3B_the_fate_of_Virginia_Dare%3B_an_Indian_legend_%281901%29_%2814597772658%29.jpg
https://www.videoblocks.com/video/old-ship-wooden-hull-njtfn0i/
https://www.shutterstock.com/image-vector/business-concept-illustration-searching-details-clue-500440864?src=E9iYRBpesimcQgVUG1nHfQ-1-3
https://www.shutterstock.com/image-photo/we-people-opening-words-preamble-constitution-255908245?src=dhSNRPcXy6XdEBA-e31ZYw-1-51

8 –
https://c1.staticflickr.com/1/152/372322612_a03d5b1ad8_b.jpg
https://www.videoblocks.com/video/elderly-woman-looking-the-landscape-in-a-moving-train-okn-o3s/
https://www.videoblocks.com/video/candle-two-in-tiramisu-cake-birthday-vintage-background-jjz2jcb/
https://www.shutterstock.com/image-illustration/concept-biochemistry-dna-molecule-on-blue-327950945?src=41FX-iZL-DtdbLPqenQYkQ-1-30
https://www.shutterstock.com/image-illustration/telomeres-dna-telomere-length-medical-concept-609574499?src=4otQel4nbZyRmvB_pYju3w-1-2

7 –
https://static.pexels.com/photos/9786/pexels-photo.jpeg
https://pixabay.com/en/old-man-go-tombstone-commemorate-2772421/
https://pixabay.com/en/autumn-autumn-leaves-autumn-light-2182008/
https://www.videoblocks.com/video/operating-room-dolly-shot-at-night-in-hospital-bbbhbfhogj0gs2wd5/

6 –
https://pixabay.com/p-1151348/?no_redirect
https://www.videoblocks.com/video/tired-student-sleeping-on-desk-and-notes-at-home-s4636y4/
https://www.pexels.com/photo/action-activity-adult-attack-260447/
https://www.videoblocks.com/video/man-sleeping-on-sunbed-fospxw-/

5 –
https://upload.wikimedia.org/wikipedia/commons/a/a7/Cellular-virus-wallpaper.jpg
https://www.pexels.com/photo/pregnancy-pregnant-motherboard-parenthoof-57529/
https://www.videoblocks.com/video/charming-bengal-cat-lying-on-bed-with-open-eyes-r_0iy_v1wj25wcmja/
https://www.pexels.com/photo/close-up-of-leaf-326055/

4 –
https://upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Varsha_2.jpg/1280px-Varsha_2.jpg
https://pixabay.com/en/lego-yellow-statue-human-open-soul-1582979/
https://www.shutterstock.com/image-illustration/3d-illustration-atom-that-smallest-constituent-556689331?src=cRG55N5vQk7TuPMPFWIKmg-1-20
https://www.shutterstock.com/image-photo/crab-nebula-constellation-taurus-supernova-core-684172936?src=AVVZKuZ--64De-hszWwGBg-1-0
https://www.videoblocks.com/video/fire-10-fgtlz3m/

3 –
https://home.cern/sites/home.web.cern.ch/files/image/topic-stub/image/crab-nebula-nasa3.jpg
https://www.shutterstock.com/image-illustration/deep-universe-naked-singularity-abstract-3d-520875022?src=1ppSBXuFTAfspFEt0G-7cw-1-10
https://www.shutterstock.com/image-illustration/origin-universe-scientific-background-blank-copy-532470709?src=1ppSBXuFTAfspFEt0G-7cw-1-54
https://www.videoblocks.com/video/father-and-son-eating-ice-cream-steadicam-shot-hexgtq4/
https://www.videoblocks.com/video/hd-fireworks-fireworks-3-jrhby9o/

2 –
http://maxpixel.freegreatpicture.com/World-Moon-Planet-Environment-Space-Earth-Science-1705737
http://maxpixel.freegreatpicture.com/Atom-Nuclear-Power-Atomic-Nucleus-Neutron-Electron-1222513
https://www.shutterstock.com/image-photo/human-eye-detail-545993383?src=xK3jqcXuel7MjXH_utvx8g-1-54
https://www.shutterstock.com/image-vector/blackboard-inscribed-scientific-formulas-calculations-physics-582084685?src=hm0Vy-WtQqP8qGUs8kgwlw-1-68

1 –
https://upload.wikimedia.org/wikipedia/commons/a/aa/%D9%84%D8%A8%D9%8A%D8%A8%D8%AB%D8%A8%D9%82%D9%82.jpg
https://www.videoblocks.com/video/tree-top-starry-night-sky-timelapse/
https://www.videoblocks.com/video/space-1195-hgeb6mfllinaimfhj/
https://d2r55xnwy6nx47.cloudfront.net/uploads/2017/07/jeremy_england_LR.jpg
https://www.videoblocks.com/video/time-lapse-golden-sunset/