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The Threat to Earth

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02:33
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Earth's tough defenses keep us from even noticing most solar storms. But find out what happened in 1859, and what may happen the next time a solar megastorm strikes our planet. — at www.pbs.org/nova/labs.
04:22
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David Sandalow, acting undersecretary at U.S. Department of Energy, warns of possible threats to the country's energy grid, drawing examples from Hurricane Sandy and the Super Bowl power outage.  Full video available for free at: http://fora.tv/2013/02/06/energy_a_view_from_dc
13:17
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SOURCES and LINKS TO LEARN MORE ARE BELOW! my twitter: http://www.twitter.com/tweetsauce my instagram: http://www/instagram.com/electricpants Music from: http://youtube.com/JakeChudnow and http://www.audionetwork.com Vsauce: "Who Owns the Moon?": https://www.youtube.com/watch?v=Bbgz4yY-xX0 Vsauce: "How many Photos Have Been Taken?": https://www.youtube.com/watch?v=4e_kz79tjb8 Earth, Texas: http://goo.gl/qmozXa Earth’s moons: http://www.universetoday.com/15019/how-many-moons-does-earth-have/ http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2006+RH120;orb=1 Solar System speed around Milky Way: http://www.universetoday.com/18028/sun-orbit/ Greg Laughlin equation: http://oklo.org/2009/03/12/too-cheap-to-meter/ http://boingboing.net/2011/02/03/cosmic-commodities-h.html History Channel Special: http://shop.history.com/special-presentation-whats-the-earth-worth/detail.php?p=382452 http://www.bullseyetv.co.uk/productions/what-s-the-earth-worth http://bpsfuelforthought.wordpress.com/2012/10/26/history-channels-whats-the-earth-worth/ Human elements shirt: http://www.sciencemuseumshop.co.uk/home/clothing_textiles/human_ingredients_t-shirt_blue.htm Element values: http://en.wikipedia.org/wiki/Prices_of_elements_and_their_compounds ShadyPotat0 calculation: http://www.reddit.com/r/theydidthemath/comments/252po1/how_much_is_the_inside_of_the_earth_worth/ Asteroids: Great video showing 34 years of asteroid discovery: https://www.youtube.com/watch?v=2k2vkLEE4ko http://star.arm.ac.uk/neos/anim.html http://neo.jpl.nasa.gov/stats/ 433 Eros: http://www.erosproject.com/erosfact.html?source=ErosProject Kepler search for exoplanets: http://kepler.nasa.gov/multimedia/animations/?ImageID=219 planets in Milky Way: http://en.wikipedia.org/wiki/Milky_Way scanning the Milky Way: http://www.spitzer.caltech.edu/video-audio/1440-ssc2014-02v1-Panning-Through-the-Milky-Way Nat Geo list of reasons Earth might be useful to other life forms: http://tvblogs.nationalgeographic.com/2011/05/19/10-reasons-why-aliens-would-attack-earth/ Beautiful things animals make: http://www.buzzfeed.com/babymantis/10-beautiful-things-created-by-animals-1opu Animals and ownership: http://www.sciencedaily.com/releases/2008/01/080130092136.htm http://www.world-science.net/exclusives/090522_trade.htm Articles on Finders-Keepers, etc. http://archive.archaeology.org/online/features/trove/ https://www.nysm.nysed.gov/services/233/hisfind.html Monkey Seflies: http://www.djsphotography.co.uk/ http://arstechnica.com/tech-policy/2014/08/monkeys-selfie-cannot-be-copyrighted-us-regulators-say/ non-human animal created works on wikimedia: http://commons.wikimedia.org/w/index.php?title=Special%3AWhatLinksHere&target=Template%3APD-animal&namespace=6 Dog artist Tillamook Cheddar: http://www.tillamookcheddar.com LEGO shell Hermit Crab: https://www.youtube.com/watch?v=V47wx8qMSxA Custom built see-through hermit crab shells: http://vimeo.com/71005763 sneeze movie by Edison: http://goo.gl/Vmmh6c Google Earth global timelapse: https://earthengine.google.org/timelapse/timelapseplayer_v2.html?timelapseclient=http://earthengine.google.org/timelapse/data Seflie from space: http://i.imgur.com/PnEMSM6.jpg space launch seen from plane: https://www.youtube.com/watch?v=IERISLXfd8Q selling the Brooklyn Bridge (without actually owning it): http://www.nytimes.com/2005/11/27/nyregion/thecity/27brid.html?_r=3&ex=1290747600&en=d5b19f580f176c64&ei=5090&partner=rssuserland&emc=rss&
00:31
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This animation shows the NASA/ESA Hubble Space Telescope hovering above the Earth's surface. The video is from Hubblecast 77: Hubble and the Bermuda Triangle of space. This Hubblecast tells the story of what happens to Hubble in the mysterious region known as the South Atlantic Anomaly. More information and download options: http://www.spacetelescope.org/videos/hubblecast77c/ Credit: NASA, ESA, M. Kornmesser (ESA/Hubble)
01:27
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Subscribe here: http://bit.ly/ODNsubs Superbugs: The drug resistant infections are set to kill over 10 million people across the world by 2050 - that's more than currently die from cancer. Report by Claire Lomas. Like our tunes? Check out Stone Ocean's music here: http://bit.ly/StoneOcean Current affairs, amazing footage and incredible stories. Welcome to ODN - On Demand News. Formerly the ITN YouTube channel, ODN is your home for the top visual stories happening across the globe. Like us on Facebook: http://bit.ly/ODNface Follow us on Twitter: http://bit.ly/ODNTweets Add us on Google+: http://bit.ly/ODNplus More stories from ODN: Cuba and the US: Why Obama's move is so important: http://bit.ly/CubaUS US Navy unveils new robotic fish for underwater surveillance: http://bit.ly/RoboFishUS Sony hack: Reasons why it was probably NOT North Korea: http://bit.ly/NKSonyHack "We are sickened": Military shows interior of Pakistan school: http://bit.ly/PeshawarSchool Tony Abbott: "obvious questions" raised after Sydney siege: http://bit.ly/ObviousQuestions Is there life on Mars? NASA Curiosity finds signs of life: http://bit.ly/MarsDiscovery An ancient pharaoh towers again, after centuries under water: http://bit.ly/PharaohRestored Peruvians fight to settle disputes before New Year: http://bit.ly/NewYearBrawl Long-lost Disney film found and restored in Norway: http://bit.ly/LostDisneyFilm Pakistan school attack: More than 100 children dead: http://bit.ly/SchoolMassacre Sydney siege: Australian PM pays tribute to siege victims: http://bit.ly/SiegeTribute Crane smashes through home after marriage proposal goes wrong: http://bit.ly/ProposalSmash California homes buried by mudslides: http://bit.ly/MudslidesCA Sydney siege: Suspected terrorist takes hostages in cafe: http://bit.ly/SydneySiege Greenpeace Nazca Lines stunt slammed by Peruvian government: http://bit.ly/GreenpeacePeru See 2013's Most Watched Videos: http://bit.ly/ODN2013 Watch our videos with more a million views: http://bit.ly/ODNMillion
04:52
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…or why we live on an onion made of magma. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http://instagram.com/jtotheizzoe Thanks to Miles Traer and Mike Osborne for geophysics help on this one! Why does Earth have a liquid core, and how do we know? http://scienceblogs.com/startswithabang/2011/09/28/why-does-the-earth-have-a-liqu/ How many pennies would you have to stack to melt the one on the bottom? http://www.reddit.com/r/askscience/comments/2g8jj9/how_many_pennies_need_to_be_stacked_before_the/ Why are the inner planets rocky and the outer ones are gas giants? http://www.quora.com/Why-are-the-inner-planets-rocky-and-the-middle-planets-large-gas-giants ----------------- Have an idea for an episode or an amazing science question you want answered? Leave a comment below! Follow me on Twitter: @jtotheizzoe Email me: itsokaytobesmart AT gmail DOT com Facebook: http://www.facebook.com/itsokaytobesmart Google+ https://plus.google.com/+itsokaytobesmart For more awesome science, check out: http://www.itsokaytobesmart.com Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen Inc. Kate Eads - Associate Producer Katie Graham - Director of Photography Andrew Matthews - Editing/Motion Graphics John Knudsen - Gaffer Dalton Allen - Post-production Intern Theme music: “Ouroboros” by Kevin MacLeod ----------------- Last week’s video: Why do clouds stay up? http://www.youtube.com/watch?v=DjByja9ejTQ More videos: The Physics of Space Battles http://www.youtube.com/watch?v=ZFOuxAx-dkc Why Did We Blow on NES Games? http://www.youtube.com/watch?v=4Gf9mtXnJfM The Science of Game of Thrones - http://www.youtube.com/watch?v=Utu-LpJn3Is The Far Future of the Universe - http://www.youtube.com/watch?v=Jl9DwNOonOA There Was No First Human - http://www.youtube.com/watch?v=xdWLhXi24Mo How The Elements Got Their Names - http://www.youtube.com/watch?v=mtg9p6A6xnY
02:03
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The flyby of asteroid 2012 DA14 on Feb. 15, 2013, will be the closest known approach to Earth for an object its size.

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