How Evolution Works (And How We Figured It Out)

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  • Published on: 11 June 2019
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    As a scientific concept, evolution was revolutionary when it was first introduced. With the help of all three of our hosts and the Smithsonian National Museum of Natural History’s new Deep Time Hall, we’ll try to explain how evolution actually works and how we came to understand it.

    This episode was written by Darcy Shapiro.

    Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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    References:
    https://ucmp.berkeley.edu/history/cuvier.html
    https://evolution.berkeley.edu/evolibrary/article/history_08
    https://evolution.berkeley.edu/evolibrary/article/%3C?%20echo%20$baseURL;%20?%3E_0_0/history_12
    https://evolution.berkeley.edu/evolibrary/article/0_0_0/history_09
    https://ucmp.berkeley.edu/history/lamarck.html
    https://evolution.berkeley.edu/evolibrary/article/0_0_0/history_07
    https://evolution.berkeley.edu/evolibrary/article/0_0_0/%3C?%20echo%20$baseURL;%20?%3E/history_14
    https://www.amnh.org/exhibitions/darwin/a-trip-around-the-world
    http://people.wku.edu/charles.smith/index1.htm
    http://wallacefund.info/content/biography-wallace
    http://wallacefund.info/content/1858-darwin-wallace-paper
    https://evolution.berkeley.edu/evolibrary/article/0_0_0/evo_25
    https://evolution.berkeley.edu/evolibrary/article/0_0_0/evo_37
    https://evolution.berkeley.edu/evolibrary/article/evo_48
    https://evolution.berkeley.edu/evolibrary/article/%3C?%20echo%20$baseURL;%20?%3E_0/history_13
    https://www.nature.com/scitable/topicpage/gregor-mendel-and-the-principles-of-inheritance-593
    https://evolution.berkeley.edu/evolibrary/article/0_0_0/history_18
    https://evolution.berkeley.edu/evolibrary/article/0_0_0/history_19
    https://evolution.berkeley.edu/evolibrary/article/history_20
    https://evolution.berkeley.edu/evolibrary/article/evo_16
    https://www.pbs.org/wgbh/evolution/library/01/6/l_016_02.html
    https://www.nature.com/scitable/knowledge/library/natural-selection-genetic-drift-and-gene-flow-15186648
    https://phys.org/news/2018-08-truth-darwin-moth.html
    https://evolution.berkeley.edu/evolibrary/article/0_0_0/history_21
    https://www.wired.com/2010/09/florida-panthers/
    Bowler, P. (2001). History of Evolutionary Ideas: The Modern Synthesis. ELS: Encyclopedia of the life sciences, 1-5.
    Papavero, N., & Santos, C. F. M. D. (2014). Darwinian evolutionism? Contributions of Alfred Russel Wallace to the theory of evolution. Revista Brasileira de História, 34(67), 159-180.
    https://www.biodiversitylibrary.org/page/2283958#page/490/mode/1up
  • Runtime : 12:10
  • dinosaurs dinos paleo paleontology scishow eons pbs pbs digital studios hank green john green complexly fossils natural history Charles Darwin Alfred Russell Wallace common ancestor. finches natural selection Cuvier Lyell Lamarck Malthus microevolution macroevolution heredity Mendel Morgan mutation Wright Haldane Aylmer peppered moths genetic drift gene flow Dobzhansky the Modern Synthesis DNA

COMMENTS: 40

  • ray salmon
    ray salmon   1 days ago

    Yeah I'm reading fossels by Prothero another owned author trying to convince the dogma of evolution to be true

  • Brian D
    Brian D   1 weeks ago

    Wow. Lots of good info.

  • Sage Forbes
    Sage Forbes   1 weeks ago

    how the gene/dna know to change? is it like they can communicate

  • Jonathan Larrarte
    Jonathan Larrarte   2 weeks ago

    Darwin was not only well travelled and well read, he was well fed he apparently ate many if not all of the animals he discovered.

  • AllSoulsLoved
    AllSoulsLoved   2 weeks ago

    No such thing as evolution: DNA proves we didn't evolve:1)  Each DNA contains 100 million pages worth of instructions to build the entire body.  Do instructions write themselves?  Nope.  Instructions don't write themselves.  Behind every instruction is an 'instructor' who authored it.  Carl Sagan said:  "The information content of a simple cell has been established as around one trillion bits, comparable to about 100 million pages of the Encyclopaedia Britannica."2)  Every genome is written as a quaternary molecular digital code:  "All present life is based on digitally-encoded information."  (American Academy of Sciences)3)  Each cell contains hi-tech miniature organs (organelles - nucleus, golgi bodies, mitochondria, chloroplasts, etc.) - none of which are naturally found elsewhere - hence no natural explanation for their existence.

  • Aydin Barnbrook
    Aydin Barnbrook   2 weeks ago

    Christians should watch this stuff. At this point I think people who have access to the internet are just like ignoring facts. This is better than going to church. Make this explode pls.

  • service asap
    service asap   2 weeks ago

    How does evolution explain identical twins with different DNA and different fingerprints?...

  • Wichita Disciple
    Wichita Disciple   3 weeks ago

    “The extreme rarity of transitional forms in the fossil record persists as the trade secret of paleontology. The evolutionary trees that adorn our text- books have data only at the tips and nodes of their branches; the rest is inference, however reasonable, not the evidence of fossils.""-Stephen Gould

  • Fracking Saves
    Fracking Saves   3 weeks ago

    David Koch: a horrendous & evil billionaire whose name should not be associated with any scientific endeavor.

  • peter papadimitriou
    peter papadimitriou   3 weeks ago

    Great video I like to find out more the problem that I have a disability I'm a stroke and cardiac arrest survivor just to clarify and the one stupid question I have is if living things change over time including us humans, how come the change doesn't go from having one thing and the next generation its something else?

  • Reviews You Can Use
    Reviews You Can Use   3 weeks ago

    If evolution are true, Is there a discovery of specie today that being evolb to new specie?

  • Greg Zeng
    Greg Zeng   3 weeks ago

    A very brief version of evolution.11:11 > "TIME IS A KEY COMPONENT OF EVOLUTION"Other variables are much more important than TIME.If the breeding cycle is very short, then TIME is less required.Many "tricks" can be used to shorten the breeding cycle. Correct selection of species. Acting genetically, environmentaly, etc - simultaneously & sequentially. Increasing "randomness" via radiation, chemicals, etc.In my forthcoming book: "Non-human Cognitive Science", I show how cache systems (software) can use hardware to create "evolution". This evolution video does not show that evolution is software. Hardware (biochemistry here) comes in many forms, but it does not create evolution.

  • DC S
    DC S   1 months ago

    "...if you say that you can't say it. Does it mean you trip over the words"?

  • Jeremy Poedel
    Jeremy Poedel   1 months ago

    Something can’t come from nothing. Matter cannot make itself. There is no examples of change of kind. The birds adapted but they always remained birds. There is no fossil examples of the transitions actually happening. A bird is a bird is a bird. It’s not evolution, it’s adaptation. Of course life is always changing, the earth changes. If you are telling me that all life arose from the sea, how did gills magically become lungs? How long did that take? There are fish today that have four flippers, they did not evolve into legs. What really gets me is the absolute certainty of these ideas and claiming to be strictly scientific when no evidence of the beginning or change if kind can actually be provided. DNA is the book of like that was designed. It is not just by accident.

  • Taran O'Reilly
    Taran O'Reilly   1 months ago

    I think this is one of your best videos. Too bad it hasn't been viewed more.

  • Matt Morgs
    Matt Morgs   1 months ago

    What about sexual selection my guys ?

  • r4hnsn
    r4hnsn   1 months ago

    Its a miracle !! my eyes just decided to grow, even though I was just a sightless blimp, and then somehow my pea brain also thought it better connect up some wiring to go with them.

  • Scott DeGasperis
    Scott DeGasperis   1 months ago

    “Nothing in biology makes sense except in the light of evolution.” ― Theodosius Dobzhansky

  • David McCaig
    David McCaig   1 months ago

    Man just observes what had already been set in motion and therefore deserves no credit for the genius of what he observes.

  • Deecy P
    Deecy P   1 months ago

    Don’t we already know

  • Nate
    Nate   1 months ago

    Becoming quite addicted to this channel and having a decent understanding of both science and english while being a native french speaker I'm starting to seriously consider adding french subtitles on these videos. Though I've never done anything like that I'm sure I could figure it out.

  • Sophia Sourkraut
    Sophia Sourkraut   1 months ago

    I wanna watch When Whales Walked, but it's not available outside the U.s. :(

  • Tamara Molina
    Tamara Molina   1 months ago

    Fantastic summary with awesome attention to oft-forgotten scientists in the history of the evolution of evolution theory!

  • Eternal - Fire
    Eternal - Fire   2 months ago

    I went to the smithsonian on my school trip to Washington but it was still in renovation.

  • Sophie Shenkal
    Sophie Shenkal   2 months ago

    This is my favorite channel on YouTube. Thank you for existing so that I can learn about all of these incredible things 🙏🙌

  • Joel M
    Joel M   2 months ago

    Please send this video to ray comfort and every other nutbag that does not think evolution is true!!!

  • Plack morty
    Plack morty   2 months ago

    The evolutionary tale of evolutionary theory

  • The FPV Life
    The FPV Life   2 months ago

    Meteor strikes has a lot to with our evolution. It altered and allowed we humans to evolve.

  • Andy Miron
    Andy Miron   2 months ago

    And we still evolve. Humans get larger och taller all the time.. Eat that you religions nuts. :D

  • Dicky Liu
    Dicky Liu   2 months ago

    I thought evolution was invented by Pokemons...

  • LegoCookieDoggie
    LegoCookieDoggie   2 months ago

    um so why would the Koch brothers be okay with the theory of evolution and "that there are limited resources" and then proceed to destroy our planet?

  • George Mulvaney
    George Mulvaney   2 months ago

    You left out von Humbolt. Darwin specifically mentioned him.

  • Alopias pelagicus
    Alopias pelagicus   2 months ago

    I literally just had to like the video immediately after they included Wallace. Thank you! However, Darwins theory was actually based on the Mockingbirds. Only later did the finches play a role.

  • Paul Ford
    Paul Ford   2 months ago

    I've been to that museum several time - it's an amazing place. I could spend days looking at all the exhibits! Thanks for this video. 😊