Scientists have had some success with a new technique to restore awareness to a person in a vegetative state & also that we could potentially use the water cycle to power most of the United States! Thumbnail credit: Corazzol et al. We're conducting a survey of our viewers! If you have time, please give us feedback: www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: D.A. Noe, Nicholas Smith, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Patrick D. Ashmore, Tim Curwick, charles george, Kevin Bealer, Philippe von Bergen, Chris Peters, Fatima Iqbal ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: Consciousness restored: brainfoundation.org.au/disorders/vegetative-state www.sciencealert.com/doctors-have-restored-consciousness-in-man-who-spent-15-years-in-vegetative-state www.cell.com/current-biology/fulltext/S0960-9822(17)30964-8 Evaporation engines: www.technologyreview.com/s/608949/evaporation-engines-could-produce-more-power-than-coal-with-a-huge-caveat/ www.nature.com/articles/s41467-017-00581-w www.iee.psu.edu/node/284 www.sciencedaily.com/releases/2015/06/150616123608.htm www.youtube.com/watch?v=Vj2kuZm-aCA Images: commons.wikimedia.org/wiki/File:Traumaticbraininjury2010.jpg wellcomeimages.org/indexplus/image/V0010423.html www.eurekalert.org/multimedia/pub/150912.php?from=371072 commons.wikimedia.org/wiki/File:Earth%27s_City_Lights_by_DMSP,_1994-1995_(large).jpg commons.wikimedia.org/wiki/File:Bacillus_subtilis_Spore.jpg www.eurekalert.org/multimedia/pub/93780.php?from=298944 www.eurekalert.org/multimedia/pub/93778.php?from=298944 www.eurekalert.org/multimedia/pub/151130.php?from=371319 www.eurekalert.org/multimedia/pub/151131.php eurekalert.org/multimedia/pub/150913.php?from=371072