Learn about how your lover’s clothing could improve your sleep; how astronauts grew vegetables in space for the first time; and ancient animals that were connected by a crude version of the internet.

Smelling your lover’s shirt could improve your sleep by Kelsey Donk

• 3 Reasons to Give Your Valentine a Smelly, Unwashed T-Shirt. (2020). Psychology Today. https://www.psychologytoday.com/us/blog/the-athletes-way/202002/3-reasons-give-your-valentine-smelly-unwashed-t-shirt
• Smelling your lover’s shirt could improve your sleep. (2020, February 13). UBC News. https://news.ubc.ca/2020/02/13/smelling-your-lovers-shirt-could-improve-your-sleep/
• Reed, D. L., & Sacco, W. P. (2016). Measuring Sleep Efficiency: What Should the Denominator Be? Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine, 12(2), 263–266. https://doi.org/10.5664/jcsm.5498

We grew lettuce in space! by Grant Currin

• Space lettuce. (2020). EurekAlert! sl022720.php">https://www.eurekalert.org/pub_releases/2020-03/f-sl022720.php
• Khodadad, C. L. M., Hummerick, M. E., Spencer, L. E., Dixit, A. R., Richards, J. T., Romeyn, M. W., Smith, T. M., Wheeler, R. M., & Massa, G. D. (2020). Microbiological and Nutritional Analysis of Lettuce Crops Grown on the International Space Station. Frontiers in Plant Science, 11. https://doi.org/10.3389/fpls.2020.00199
• What do astronauts eat in space? (2019, April 28). Royal Museums Greenwich. https://www.rmg.co.uk/discover/explore/space-stargazing/space-exploration/what-do-astronauts-eat-in-space

Half-billion-year-old fern-like animals acted like an ancient internet by Cameron Duke

• Half billion-year-old “social network” observed in early animals. (2020). EurekAlert! hb030320.php">https://www.eurekalert.org/pub_releases/2020-03/uoc-hb030320.php
• Quaglia, S. (2020, March 5). Half-billion-year-old, fern-like animals may be the first social network. Inverse; Inverse. https://www.inverse.com/science/ancient-fern-animals-may-be-first-social-network
• Liu, A. G., & Dunn, F. S. (2020). Filamentous Connections between Ediacaran Fronds. Current Biology. https://doi.org/10.1016/j.cub.2020.01.052
• Taylor, J. W., Hann-Soden, C., Branco, S., Sylvain, I., & Ellison, C. E. (2015). Clonal reproduction in fungi. Proceedings of the National Academy of Sciences, 112(29), 8901–8908. https://doi.org/10.1073/pnas.1503159112

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Find episode transcript here: daily-4e53644e.simplecast.com/episodes/astronauts-grew-lettuce-in-space-why-smelling-a-dirty-shirt-can-help-you-sleep-and-early-animals-that-acted-like-an-ancient-internet">https://curiosity-daily-4e53644e.simplecast.com/episodes/astronauts-grew-lettuce-in-space-why-smelling-a-dirty-shirt-can-help-you-sleep-and-early-animals-that-acted-like-an-ancient-internet