What Science Says About Putting 2 Spaces After a Period

Learn about how clocks and lightbulbs changed human health, with author and materials scientist Ainissa Ramirez. Plus: learn about that time a bunch of birds became milk bottle thieves and whether you should put one or two spaces after a period.

The time a bunch of birds became milk bottle thieves by Cameron Duke

• Aplin, L. M., Farine, D. R., Morand-Ferron, J., Cockburn, A., Thornton, A., & Sheldon, B. C. (2014). Experimentally induced innovations lead to persistent culture via conformity in wild birds. Nature, 518(7540), 538–541. https://doi.org/10.1038/nature13998
• Aplin, L. M., Sheldon, B. C., & Morand-Ferron, J. (2013). Milk bottles revisited: social learning and individual variation in the blue tit, Cyanistes caeruleus. Animal Behaviour, 85(6), 1225–1232. https://doi.org/10.1016/j.anbehav.2013.03.009
• Boogert, N. (2014, December 4). Milk bottle-raiding birds pass on thieving ways to their flock. The Conversation. https://theconversation.com/milk-bottle-raiding-birds-pass-on-thieving-ways-to-their-flock-34784

Should You Put One or Two Spaces After a Period? by Cody Gough

• Hamblin, J. (2018, May 11). The Atlantic. The Atlantic; theatlantic. https://www.theatlantic.com/science/archive/2018/05/two-spaces-after-a-period/559304/
• Johnson, R. L., Bui, B., & Schmitt, L. L. (2018). Are two spaces better than one? The effect of spacing following periods and commas during reading. Attention, Perception, & Psychophysics, 80(6), 1504–1511. https://doi.org/10.3758/s13414-018-1527-6
• Douglas, N. (2018, May). No, You Still Shouldn’t Put Two Spaces After a Period. Lifehacker; Lifehacker. https://lifehacker.com/no-you-still-shouldnt-put-two-spaces-after-a-period-1825662114

More from Ainissa Ramirez:

• Pick up "The Alchemy of Us: How Humans and Matter Transformed One Another" on Amazon: https://amzn.to/2MyB4l8
• Ainissa's website: https://www.ainissaramirez.com/
• Ainissa Ramirez on Twitter: https://twitter.com/ainissaramirez

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