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Mapping the Ocean, Soap-Making Cells, Crows Comprehend Zero

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.  ‌Amos, J. (2020, June 20). One-fifth of Earth’s ocean floor is now mapped. BBC News; BBC News.  ‌Berman, R. (2020, December 2). Stanford engineers develop new light and sound tech to finally map the ocean floor. Big Think; Big Think.  Frequently asked questions. (2017). The Nippon Foundation-GEBCO Seabed 2030 Project.  ‌GEBCO project history. (2016). GEBCO.  ‌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.  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!  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.  Shi En Kim. (2021, July 20). Human Cells Ward Off Bacterial Invaders With a Protein That Behaves Like Soap. Smithsonian Magazine; Smithsonian Magazine.  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.  Nicoletta Lanese. (2021, June 14). Crows understand the “concept of zero” (despite their bird brains).; Live Science.  Szalay, J. (2017, September 18). Who Invented Zero?; Live Science.  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 to start your 7-day free trial. discovery+ is currently only available for US subscribers. See for privacy information.

Om Podcasten

The award-winning Curiosity Daily podcast from will help you get smarter about the world around you — every day. In less than 10 minutes, you’ll get a unique mix of research-based life hacks, the latest science and technology news, and more. Discovery's Cody Gough and Ashley Hamer will help you learn about your mind and body, outer space and the depths of the sea, and how history shaped the world into what it is today.