4 years ago

108

Full interview: https://youtu.be/h99Z0FCjeTs
Podcast: https://anchor.fm/demystifying-science

How are humans are like water? Water is usually seen as a solvent, the background against which the reactions of life play out. But sometimes, water can form nearly invisible, orderly structures at cellular surfaces. Structures that are strong enough to govern biological behaviors - yet are always on the verge of falling into chaos and allowing something new to grow. This biphasic process of stability and renewal can be seen as a metaphor for larger patterns in nature, and even in humans, where social interfaces shape culture in unseen ways.

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Don’t forget to check out the full interview with Dr. Gerald Pollack about the role of structured water in the body.

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Shilo Delay: https://soundcloud.com/laterisgone
And everywhere else (Spotify, etc..)
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Citations:

Dissolving pills:
https://www.youtube.com/watch?v=4rY3X4xafs0

Dandelion:
Meng, Q., Wang, Q., Zhao, K., Wang, P., Liu, P., Liu, H., & Jiang, L. (2016). Hydroactuated Configuration Alteration of Fibrous Dandelion Pappi: Toward Self-Controllable Transport Behavior. Advanced Functional Materials, 26(41), 7378–7385. doi:10.1002/adfm.201602596

Biomaterials Do this In general:
Quan, H., Kisailus, D., & Meyers, M. A. (2020). Hydration-induced reversible deformation of biological materials. Nature Reviews Materials. doi:10.1038/s41578-020-00251-2

Bacterial Spores in Space:
Horneck G, Bucker H, Reitz G. Long-term survival of bacterial spores in space. Adv Space Res. 1994 Oct;14(10):41-5. doi: 10.1016/0273-1177(94)90448-0. PMID: 11539977.

https://www.nasa.gov/mission_pages/station/research/news/eu_tef/#.U2VOAseCrSA

Duc, M.T., Satomi, M., & Venkateswaran, K. (2004). Bacillus odysseyi sp. nov., a round-spore-forming bacillus isolated from the Mars Odyssey spacecraft. International journal of systematic and evolutionary microbiology, 54 Pt 1, 195-201 .

Hexagonal Water in Cells: Shiotari, A., Sugimoto, Y. Ultrahigh-resolution imaging of water networks by atomic force microscopy. Nat Commun 8, 14313 (2017). https://doi.org/10.1038/ncomms14313

Hexagonal water layering at inorganic surfaces: Kei Kobayashi, Noriaki Oyabu, Kenjiro Kimura, Shinichiro Ido, Kazuhiro Suzuki, Takashi Imai, Katsunori Tagami, Masaru Tsukada, and Hirofumi Yamada , "Visualization of hydration layers on muscovite mica in aqueous solution by frequency-modulation atomic force microscopy", The Journal of Chemical Physics 138, 184704 (2013) https://doi.org/10.1063/1.4803742

Spinning seeds:
Dennis Evangelista, Scott Hotton, Jacques Dumais; The mechanics of explosive dispersal and self-burial in the seeds of the filaree, Erodium cicutarium (Geraniaceae). doi: https://doi.org/10.1242/jeb.050567

Spore Germination & Water Activity:
https://science.sciencemag.org/content/132/3426/544.abstract

Spore Machines:
Chen, X., Goodnight, D., Gao, Z. et al. Scaling up nanoscale water-driven energy conversion into evaporation-driven engines and generators. Nat Commun 6, 7346 (2015). https://doi.org/10.1038/ncomms8346

Spore Water:
Marquis R.E. (1998) Bacterial Spores - resistance, dormancy and water status. In: Reid D.S. (eds) The Properties of Water in Foods ISOPOW 6. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0311-4_22

Sporulation: https://sporeweb.molgenrug.nl/index.php

Spores, 250 million years: Vreeland, R., Rosenzweig, W. & Powers, D. Isolation of a 250 million-year-old halotolerant bacterium from a primary salt crystal. Nature 407, 897–900 (2000). https://doi.org/10.1038/35038060

DeLay, Michael (2018). The physical state of water in dormant bacteria.
https://academiccommons.columbia.edu/doi/10.7916/D8FJ3PNH

Cut cells in half and they survive:
Maniotis A, Schliwa M. Microsurgical removal of centrosomes blocks cell reproduction and centriole generation in BSC-1 cells. Cell. 1991 Nov 1;67(3):495-504. doi: 10.1016/0092-8674(91)90524-3. PMID: 1934057.

Water amounts in the body: https://foresight.org/Nanomedicine/Ch03_1.html

Pets release oxytocin: Nagasawa M, Mitsui S, En S, Ohtani N, Ohta M, Sakuma Y, Onaka T, Mogi K, Kikusui T. Social evolution. Oxytocin-gaze positive loop and the coevolution of human-dog bonds. Science. 2015 Apr 17;348(6232):333-6. doi: 10.1126/science.1261022.

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