You Navigate with Your Nose, Busting 5 Summer Myths, and Using Horseshoe Crabs’ Blue Blood to Develop New Medicine
Curiosity Weekly
Warner Bros. Discovery
4.6 • 964 Ratings
🗓️ 27 July 2020
⏱️ 12 minutes
🧾️ Download transcript
Summary
Learn about how humans literally use their noses to navigate; why the blue blood of horseshoe crabs is essential for developing drugs like a COVID-19 vaccine; and the truth behind 5 myths about summer dangers.
Humans use their noses to navigate, and both nostrils are important by Grant Currin
- Humans navigate with stereo olfaction. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-06/caos-hnw062420.php
- Wu, Y., Chen, K., Ye, Y., Zhang, T., & Zhou, W. (2020). Humans navigate with stereo olfaction. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2004642117
- Video used in the experiment: http://movie-usa.glencoesoftware.com/video/10.1073/pnas.2004642117/video-1
Why the blue blood of horseshoe crabs is essential for drug development by Cameron Duke
- Fox, A. (2020, June 8). The Race for a Coronavirus Vaccine Runs on Horseshoe Crab Blood. Smithsonian Magazine; Smithsonian Magazine. https://www.smithsonianmag.com/smart-news/race-coronavirus-vaccine-runs-horseshoe-crab-blood-180975048/
- Krisfalusi-Gannon, J., Ali, W., Dellinger, K., Robertson, L., Brady, T. E., Goddard, M. K. M., Tinker-Kulberg, R., Kepley, C. L., & Dellinger, A. L. (2018). The Role of Horseshoe Crabs in the Biomedical Industry and Recent Trends Impacting Species Sustainability. Frontiers in Marine Science, 5. https://doi.org/10.3389/fmars.2018.00185
- Frank, J., & Tang, A. (2018, September 12). Why horseshoe crab blood is so expensive - Business Insider. Business Insider; Business Insider. https://www.businessinsider.com/why-horseshoe-crab-blood-expensive-2018-8
- Zhang, S. (2018, May 9). The Last Days of the Blue-Blood Harvest. The Atlantic. https://www.theatlantic.com/science/archive/2018/05/blood-in-the-water/559229/
5 Myths About Summer Dangers by Ashley Hamer
- The Claim: Mayonnaise Can Increase Risk of Food Poisoning. (2008, June 30). The New York Times. https://www.nytimes.com/2008/07/01/health/01real.html?_r=0
- Sting, B. (2020). 3 Steps to Take Immediately After a Bee Sting - Merck Manuals Consumer Version. Merck Manuals Consumer Version. https://www.merckmanuals.com/home/news/editorial/2018/05/15/14/05/bee-stings
- 10 Ways to Lower the Cancer Risk of Grilling. (2019, June 27). The New York Times. https://www.nytimes.com/2019/06/27/well/eat/10-ways-to-lower-the-cancer-risk-of-grilling.html
- Confused by SPF? Take a Number. (2009, May 13). The New York Times. https://www.nytimes.com/2009/05/14/fashion/14SKIN.html?pagewanted=all
- Rodriguez, S. D., Chung, H.-N., Gonzales, K. K., Vulcan, J., Li, Y., Ahumada, J. A., Romero, H. M., De La Torre, M., Shu, F., & Hansen, I. A. (2017). Efficacy of Some Wearable Devices Compared with Spray-On Insect Repellents for the Yellow Fever Mosquito, Aedes aegypti (L.) (Diptera: Culicidae). Journal of Insect Science, 17(1). https://doi.org/10.1093/jisesa/iew117
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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 |
| 0:05.4 | Curiosity.com. I'm Cody Goff. And I'm Ashley Hamer. Today you learn about how |
| 0:09.7 | humans literally use their noses to navigate, |
| 0:13.0 | why horseshoe crabs hold the secret ingredient |
| 0:15.2 | for drug development, |
| 0:16.6 | and the truth behind five myths about summer dangers. |
| 0:20.2 | And stick around to the end of today's episode, |
| 0:22.3 | because we've got a real fun conversation for you. |
| 0:24.8 | For now, let's satisfy some curiosity. |
| 0:27.8 | Your sense of smell is good for enjoying food |
| 0:30.4 | and noticing gas leaks, but does it help you find your way around? |
| 0:34.2 | Well, new evidence suggests that it does, or at least that it could. |
| 0:38.7 | You already know that having two eyes makes navigation a lot easier. |
| 0:43.0 | For people with normal vision, the brain uses slightly different images |
| 0:47.0 | delivered by each eye to help create the three-dimensional world that you see. |
| 0:51.0 | A different region of the brain uses information from each ear |
| 0:54.9 | to help determine what direction sound comes from. Pretty nifty, right? Well, according to this |
| 1:00.5 | new research, your brain might do something similar with your nostrils, |
| 1:05.4 | meaning you might have an easier time navigating if you've got two of them. |
| 1:10.3 | These findings were a big surprise and they're bound to have researchers paying closer attention to what the nose knows. |
| 1:17.0 | So the study involved about 200 participants in a series of very subtle experiments with a pretty unusual setup. |
| 1:25.0 | The participants were asked to look at a screen and watch a series of very short videos of gray pixels moving on a black background. |
... |
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