Ghosts Aren't Real: 4 Scientific Explanations for Paranormal Activity

Do you believe in ghosts? While wandering an old dark building at night can be creepy, we believe there's a scientific explanation for everything. Join Michael Aranda for a spook-tacular new episode of SciShow!

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Sources:
http://www.sgha.net/sightings-in-peri...
https://jov.arvojournals.org/article....
https://jov.arvojournals.org/article....
http://hyperphysics.phy-astr.gsu.edu/...
https://www.anxietycentre.com/anxiety...
http://www.skepdic.com/infrasound.html
https://www.strangerdimensions.com/20...
https://web.archive.org/web/201109291...
https://www.who.int/peh-emf/about/Wha...
http://www.assap.ac.uk/newsite/htmlfi...
https://www.niehs.nih.gov/health/topi...
https://www.scientificamerican.com/ar...
https://www.sciencedirect.com/science...
https://journals.sagepub.com/doi/abs/...
http://www.assap.ac.uk/newsite/htmlfi...
https://www.dictionary.com/browse/par...
https://pdfs.semanticscholar.org/19f3...
http://muse.jhu.edu/article/20328
https://smartech.gatech.edu/handle/18...
http://skepdic.com/evp.html
http://theconversation.com/hearing-gh...
https://journals.sagepub.com/doi/10.1...
https://www.webmd.com/sleep-disorders...
https://www.frontiersin.org/articles/...
https://www.sciencedirect.com/science...!
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.frontiersin.org/articles/...
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Images:
https://www.videoblocks.com/video/the...
https://freesound.org/people/bajko/so...
https://www.istockphoto.com/photo/old...
https://www.istockphoto.com/photo/aba...
https://www.istockphoto.com/photo/gho...
https://www.istockphoto.com/photo/rem...
https://www.videoblocks.com/video/mon...
https://www.istockphoto.com/photo/gho...
https://www.istockphoto.com/photo/dig...
https://www.istockphoto.com/photo/sph...
https://www.istockphoto.com/photo/smi...
https://www.videoblocks.com/video/the...
https://www.istockphoto.com/photo/his...
https://www.istockphoto.com/photo/ele...
https://www.istockphoto.com/photo/gho...
https://www.videoblocks.com/video/an-...
https://www.videoblocks.com/video/abs...
https://www.videoblocks.com/video/hum...
https://www.istockphoto.com/photo/sle...
https://www.istockphoto.com/photo/man...
https://commons.wikimedia.org/wiki/Fi...
https://www.istockphoto.com/photo/wom...
https://www.istockphoto.com/photo/por...
https://www.videoblocks.com/video/sca...
https://www.videoblocks.com/video/sca...