Astronauts Grew Lettuce in Space, Why Smelling a Dirty Shirt Can Help You Sleep, and Early Animals That Acted Like an Ancient Internet

Curiosity Weekly

Warner Bros. Discovery

Self-improvement, Science, Astronomy, Education

4.6 • 935 Ratings

🗓️ 2 April 2020

⏱️ 9 minutes

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Summary

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! 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! 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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Transcript

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0:00.0	Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Curiosity.com.
0:06.3	I'm Cody Gough. And I'm Ashley Hamer.
0:08.4	Today you learn about how your lover's clothing could improve your sleep,
0:11.9	how astronauts grew vegetables in space for the first time,
0:15.0	and ancient animals that were connected by a crude version of the internet.
0:19.0	Let's satisfy some curiosity.
0:21.0	Here's some weird advice for the happy couples out there. The next time you spend a night apart, toss out your pillow case and replace it with your partner's unwashed shirt.
0:30.0	New research from the University of British Columbia suggests you'll probably sleep better if you have the scent of your bay hanging around.
0:38.0	For this study the researchers analyzed sleep data from 155 participants who were given two identical looking
0:45.8	t-shirts to use as pillowcases.
0:48.4	One of the t-shirts had been worn by the participants romantic partner for a full 24 hours with no
0:53.8	deodorant or scented body products to interfere and the other had either been
0:58.2	worn by a stranger gross or never worn at all the shirts were frozen to preserve their scent.
1:04.5	The participants went to sleep with activity monitoring watches on and
1:09.1	they completed surveys about their sleep when they woke up.
1:11.9	And on average, participants said they
1:14.3	felt more well rested on nights when they thought the t-shirt belonged to their
1:18.1	partners. The more impressive was that data from the sleep watches also showed that the participant's sleep
1:24.8	objectively improved when they were exposed to their partner's scent.
1:28.4	Their average sleep efficiency improved more than 2%
1:31.9	on nights when they had their partner's shirts and bed with them.
1:35.2	Sleep efficiency is the ratio of time spent asleep to time spent in bed, and that improvement in
	...

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