Learn how Seabed 2030 will map the ocean floor; how our cells make soap; and how crows understand the concept of zero.

More than half of Earth's surface is unmapped, but Seabed 2030 aims to map it by 2030 by Grant Currin

• Jacobs, F. (2021, July 19). More than half the world is still unmapped — but not for long. Big Think; Big Think. https://bigthink.com/strange-maps/seabed-2030
• Amos, J. (2020, June 20). One-fifth of Earth’s ocean floor is now mapped. BBC News; BBC News. https://www.bbc.com/news/science-environment-53119686
• Berman, R. (2020, December 2). Stanford engineers develop new light and sound tech to finally map the ocean floor. Big Think; Big Think. https://bigthink.com/technology-innovation/underwater-stanford-engineering
• Frequently asked questions. (2017). The Nippon Foundation-GEBCO Seabed 2030 Project. https://seabed2030.org/faq
• GEBCO project history. (2016). GEBCO. https://www.gebco.net/about_us/project_history/
• Mayer, L., Jakobsson, M., Allen, G., Dorschel, B., Falconer, R., Ferrini, V., Lamarche, G., Snaith, H., & Weatherall, P. (2018). The Nippon Foundation—GEBCO Seabed 2030 Project: The Quest to See the World’s Oceans Completely Mapped by 2030. Geosciences, 8(2), 63. https://doi.org/10.3390/geosciences8020063

Our cells make their own soap to kill bacteria by Grant Currin

• Human cells harness power of detergents to wipe out bacteria. (2021, July 15). EurekAlert! https://www.eurekalert.org/news-releases/654392
• Gaudet, R. G., Zhu, S., Halder, A., Kim, B.-H., Bradfield, C. J., Huang, S., Xu, D., Mamiñska, A., Nguyen, T. N., Lazarou, M., Karatekin, E., Gupta, K., & MacMicking, J. D. (2021). A human apolipoprotein L with detergent-like activity kills intracellular pathogens. Science, 373(6552), eabf8113. https://doi.org/10.1126/science.abf8113
• Shi En Kim. (2021, July 20). Human Cells Ward Off Bacterial Invaders With a Protein That Behaves Like Soap. Smithsonian Magazine; Smithsonian Magazine. https://www.smithsonianmag.com/smart-news/human-cells-ward-bacterial-invaders-protein-behaves-soap-180978237/

Crows understand the concept of zero by Cameron Duke

• Kirschhock, M. E., Ditz, H. M., & Nieder, A. (2021). Behavioral and Neuronal Representation of Numerosity Zero in the Crow. The Journal of Neuroscience, 41(22), 4889–4896. https://doi.org/10.1523/jneurosci.0090-21.2021
• Nicoletta Lanese. (2021, June 14). Crows understand the “concept of zero” (despite their bird brains). Livescience.com; Live Science. https://www.livescience.com/crows-understand-concept-of-zero.html
• Szalay, J. (2017, September 18). Who Invented Zero? Livescience.com; Live Science. https://www.livescience.com/27853-who-invented-zero.html

Follow Curiosity Daily on your favorite podcast app to learn something new every day withCody Gough andAshley Hamer. Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.