Randall MunroeVerified account

@xkcd

I draw the comic xkcd

xkcd.com
Joined February 2009
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  1. Oct 18

    Clinical Trials

    Comic
    35 replies 617 retweets 4,157 likes
    Undo
  2. Oct 15

    Unsolved Math Problems

    Comic
    45 replies 925 retweets 5,909 likes
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  3. Oct 13

    Flag Map Sabotage

    Comic
    16 replies 52 retweets 1,052 likes
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  4. Oct 12

    New Nobel Prizes

    Comic
    5 replies 119 retweets 1,742 likes
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  5. Oct 8

    TSP vs TBSP

    Comic
    39 replies 425 retweets 3,409 likes
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  6. Oct 6

    Air Travel Packing List

    Comic
    31 replies 153 retweets 1,726 likes
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  7. Oct 4

    Comet Visitor

    Comic
    6 replies 176 retweets 1,620 likes
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  8. Oct 1

    Endangered

    Comic
    18 replies 520 retweets 3,353 likes
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  9. Sep 29

    Two-Factor Security Key

    Comic
    15 replies 121 retweets 1,396 likes
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  10. Sep 27

    Toothpaste

    Comic
    10 replies 165 retweets 2,102 likes
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  11. Sep 24

    Symbols

    Comic
    69 replies 2,127 retweets 11,453 likes
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  12. Sep 23

    Sloped Border

    Comic
    58 replies 303 retweets 3,474 likes
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  13. Sep 21

    This is a really good book about how people think about climate change and how talking to each other about it can help. It left a big impression on me.

    We all fight for the things we love. I wrote this book because of who and what I love. Climate change affects us all, and to care about it and act on it we only need to be one thing: a human who loves. Buy now, wherever books are sold:
    5 replies 43 retweets 492 likes
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  14. Sep 21

    Screenshot of the title page of the article “The existence and abundance of ghost ancestors in biparental populations” in the journal “Theoretical Population Biology”
    6 replies 38 retweets 500 likes
    Show this thread
    Show this thread
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  15. Sep 20

    Lumpers and Splitters

    Comic
    17 replies 141 retweets 1,536 likes
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  16. Sep 18

    Scientists are the best (From )

    Screenshot of a paragraph of a paper beginning “A runaway greenhouse has manifestly not occurred on post-Hadean Earth—it would have sterilized Earth (there is observer bias)” with the parenthetical highlighted
    13 replies 125 retweets 1,372 likes
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  17. Sep 17

    Rover Replies

    Comic
    23 replies 421 retweets 3,509 likes
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  18. Sep 17

    The Atlantic Ocean is expanding 100 times faster than current cosmological models predict

    Screenshot of Google search for “Atlantic Ocean expansion rate” with the response “1.5 inches wider every year”
    Screenshot of calculation of the Atlantic Ocean width times the Hubble constant, with the result 0.0151317 inches per year
    48 replies 330 retweets 3,360 likes
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  19. Sep 15

    Hubble Tension

    Comic
    17 replies 154 retweets 2,028 likes
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  20. Sep 14

    Vaccine Research

    Comic
    36 replies 2,724 retweets 11,379 likes
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