{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/64f1f67000d9130011234429/6532a3d79bf3570012d2df1c?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"Dirty Toothbrush, Smart Crows, Rare Supermassive Black Hole","description":"<p>Today, you’ll learn about how a tool we use to keep clean might need a little cleaning of its own, the wild intelligence of wild crows, and the case of the missing black holes.&nbsp;</p><p>&nbsp;</p><p>Dirty Toothbrush&nbsp;&nbsp;</p><p>&nbsp;</p><ul><li>“An updated systematic review on toothbrush contamination: An overlooked oral health concern among general population.” <a href=\"https://onlinelibrary.wiley.com/doi/abs/10.1111/idh.12740\" rel=\"noopener noreferrer\" target=\"_blank\">by Shahrukh Ali Khan, et al. 2023.</a>&nbsp;&nbsp;</li><li>“Can Your Toothbrush Make You Sick?” <a href=\"https://uamshealth.com/medical-myths/can-your-toothbrush-make-you-sick/\" rel=\"noopener noreferrer\" target=\"_blank\">n.a. 2019.&nbsp;</a>&nbsp;</li><li>“Toothbrush Terror! Can Your Toothbrush Make You Sick?” <a href=\"https://www.periodontal.com/toothbrush-terror-can-toothbrush-make-sick/\" rel=\"noopener noreferrer\" target=\"_blank\">by Stephanie Watson. N.d.&nbsp;</a>&nbsp;</li></ul><p>&nbsp;</p><p>Smart Crows&nbsp;&nbsp;</p><p>&nbsp;</p><ul><li>“For the first time, research reveals crows use statistical logic.” <a href=\"https://arstechnica.com/science/2023/09/for-the-first-time-research-reveals-crows-use-statistical-logic/\" rel=\"noopener noreferrer\" target=\"_blank\">by Kenna Hughes-Castleberry. 2023.&nbsp;</a>&nbsp;</li><li>“Like humans, these big-brained birds may owe their smarts to long childhoods.” <a href=\"https://www.science.org/content/article/humans-these-big-brained-birds-may-owe-their-smarts-long-childhoods\" rel=\"noopener noreferrer\" target=\"_blank\">by Amanda Heidt. 2020.</a>&nbsp;&nbsp;</li><li>“Crows flexibly apply statistical inferences based on previous experience.” <a href=\"https://www.sciencedirect.com/science/article/abs/pii/S0960982223007741\" rel=\"noopener noreferrer\" target=\"_blank\">by Melissa Johnston, et al. 2023.</a>&nbsp;&nbsp;</li><li>“Crow Vocalizations Part II: Q&amp;A.” <a href=\"https://corvidresearch.blog/2019/03/14/crow-vocalizations-part-ii-qa/\" rel=\"noopener noreferrer\" target=\"_blank\">Corvid Research. 2019.</a>&nbsp;&nbsp;</li><li>“Flying in for the Crow Funeral.” <a href=\"https://baynature.org/2020/10/29/flying-in-for-the-crow-funeral/\" rel=\"noopener noreferrer\" target=\"_blank\">by Anne Marshall-Chalmers. 2020.&nbsp;</a>&nbsp;</li><li>“Canuck &amp; I.” <a href=\"https://www.youtube.com/watch?v=-wTaXS3F47I&amp;t=2s&amp;ab_channel=DanO%27NeillWildlife.\" rel=\"noopener noreferrer\" target=\"_blank\">YouTube Video. 2021.&nbsp;</a>&nbsp;</li></ul><p>&nbsp;</p><p>Rare Supermassive Black Hole&nbsp;</p><p>&nbsp;</p><ul><li>“Active supermassive black holes may be rarer than previously thought.” <a href=\"https://www.sciencenews.org/article/supermassive-black-holes-rare-jwst\" rel=\"noopener noreferrer\" target=\"_blank\">by Darren Incorvaia. 2023.</a>&nbsp;&nbsp;</li><li>“James Webb Space Telescope reveals active supermassive black holes were surprisingly rare in early universe.” <a href=\"https://www.space.com/james-webb-space-telescope-reveals-active-supermassive-black-holes-were-surprisingly-rare-in-early-universe\" rel=\"noopener noreferrer\" target=\"_blank\">by Robert Lea. 2023.&nbsp;</a>&nbsp;</li><li>“Supermassive black holes: Theory, characteristics and formation.” <a href=\"https://www.space.com/supermassive-black-hole\" rel=\"noopener noreferrer\" target=\"_blank\">by Andrew May. 2022.</a>&nbsp;&nbsp;</li><li>“James Webb Space Telescope Reveals Fewer Supermassive Black Holes Than Presumed.” <a href=\"https://news.ku.edu/2023/08/22/james-webb-space-telescope-survey-reveals-fewer-supermassive-black-holes-presumed\" rel=\"noopener noreferrer\" target=\"_blank\">The University of Kansas. 2023.</a>&nbsp;&nbsp;</li></ul>","author_name":"Discovery"}