How to Observe Time Travel!!!

What's REALLY Making Earth Hotter?

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Watch my other climate science videos: http://bit.ly/climatevids Get yourself an awesome I DID A SCIENCE shirt! http://dftba.com/besmart ↓ More info and sources below ↓ References/Learn more: July 2016 is hottest on record: http://climate.nasa.gov/news/2479/nasa-analysis-finds-july-2016-is-warmest-on-record/ NOAA’s State of the Climate July 2016 http://www.ncdc.noaa.gov/sotc/global/201607 Bloomberg’s climate change data viz project: http://www.bloomberg.com/graphics/2015-whats-warming-the-world/ Solar activity and temperature show opposite trend: https://www.skepticalscience.com/solar-activity-sunspots-global-warming-intermediate.htm Milankovitch cycles: https://en.wikipedia.org/wiki/Milankovitch_cycles (I left out eccentricity because it operates on scales so long that it doesn’t affect short term climate change) Connecting climate models with actual temperature changes http://journals.ametsoc.org/doi/full/10.1175/BAMS-D-14-00154.1 NASA Goddard’s Gavin Schmidt explains the history of the instrumental temperature record https://www.youtube.com/watch?v=mkT7IyUSjq0 Last time CO2 was this high, humans didn’t exist http://www.climatecentral.org/news/the-last-time-co2-was-this-high-humans-didnt-exist-15938 Shifting baselines: http://www.shiftingbaselines.org/op_ed/ Thomas Jefferson’s weather observations: https://www.monticello.org/site/research-and-collections/weather-observations Ben Franklin as Meteorologist: http://www.jstor.org/stable/983821 ---------------- It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D. Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below! Facebook: http://www.facebook.com/itsokaytobesmart Twitter: http://twitter.com/okaytobesmart http://twitter.com/jtotheizzoe Tumblr: http://www.itsokaytobesmart.com Instagram: http://instagram.com/jtotheizzoe Snapchat: YoDrJoe Produced by PBS Digital Studios Music via APM Stock images from SciencePhoto http://www.sciencephoto.com/ and Shutterstock http://www.shutterstock.com Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

Ask Joe Matters #1

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ You guys asked me questions, so I answered them! SUBSCRIBE and get more great science, it's FREE! -- http://bit.ly/iotbs_sub Engineering RuBisCo to make better carbon-capturing plants: http://www.plantphysiol.org/content/155/1/27.full The paradox of the plankton and Gause's law: http://www.biodiverseperspectives.com/2013/02/02/the-paradox-of-the-phytoplankton-why-do-we-have-so-many-species/ Written and hosted by Joe Hanson Produced by Joe Nicolosi (http://joe-nicolosi.com/) PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

Ebola Explored

What you need to know about one of nature's scariest viruses. Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub Read David Quammen's "Ebola": http://amzn.to/1wBLmzw Ebola infection/death simulation from Washington Post: http://bit.ly/ebola_sim Read the original 1976 case report describing the first Ebola patient: http://1.usa.gov/1svWp7i Ebola outbreak disease info and case counts: http://www.cdc.gov/vhf/ebola/outbreaks/2014-west-africa/index.html Ebola Deeply (a calm take on Ebola news): http://www.eboladeeply.org/ How contagious is Ebola? http://www.npr.org/blogs/health/2014/10/02/352983774/no-seriously-how-contagious-is-ebola Ebola outbreak and symptoms FAQ from WHO: http://bit.ly/1td3TBn Can Ebola go airborne? No. http://www.virology.ws/2014/09/18/what-we-are-not-afraid-to-say-about-ebola-virus/ Ebola: What we should and shouldn't be worried about http://www.wired.com/2014/10/ebola-virus-infection-transmission-death-explained/ Hi-tech Ebola treatments: http://arstechnica.com/science/2014/08/bio-high-tech-treatment-for-ebola-may-have-saved-two-us-citizens/ The political effects of Ebola in West Africa: http://www.nytimes.com/2014/10/14/world/africa/ebola-virus-outbreak.html?_r=0 Maps of infectious disease vs. public health spending: http://ted.tumblr.com/post/99654182795/heres-what-we-should-talk-about-when-we-talk Produced for PBS Digital Studios Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Katie Graham - Director of Photography Graham Hutchins - Editing/Motion Graphics John Knudsen - Gaffer Theme music: "Ouroboros" by Kevin MacLeod Stock images via Shutterstock ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

Climate Science: What You Need To Grasp

Learn the basic science of climate change in 24 easy steps. Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub Scientists overwhelmingly agree that our climate is changing, Earth is getting warmer, sea levels are rising, and it's primarily because of humans putting lots of carbon dioxide in the atmosphere. Whether you already trust in the science, you're undecided, or you disagree with what all this, this video is for you! SOURCES LISTED HERE: http://bit.ly/1zGbOry Want to learn about the science of climate change and why humans are causing it, but in layman's terms? I recommend these books: Climate Change: Evidence and Causes (National Academy of Sciences/Royal Society) FREE ebook: http://amzn.to/1w6itfl Global Weirdness (Climate Central) http://amzn.to/1BtZZbP How to Change Minds About Our Changing Climate (Seth Darling + Douglas Sisterson) http://amzn.to/12jjcxN Produced for PBS Digital Studios Joe Hanson - Creator/Host/Writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Andrew Matthews - Editing/Motion Graphics Katie Graham - Director of Photography John Knudsen - Gaffer Dalton Allen - Post-Production Intern Theme music: "Ouroboros" by Kevin MacLeod ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

How to Observe Time Travel!!!

Behold the COSMOTRON 5000!!! Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub How to build your own cloud chamber particle detector and test relativity at home: http://www.fromquarkstoquasars.com/make-a-cosmic-ray-detector-at-home-and-test-relativity/ Carl Sagan discusses cosmic radiation and the origin of life in "Cosmic Connection": http://amzn.to/1wiHIsu Learn about muons, time dilation, and relativity: http://cosmic.lbl.gov/SKliewer/Cosmic_Rays/Muons.htm Produced for PBS Digital Studios Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate 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 ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]