Re-release: Roman Concrete Magic, Virovore, Placebo Guilt  

Today you’ll learn about how ancient Roman concrete can heal itself, the recent discovery of a virovore, and how a new study looks into whether or not we can control feelings of guilt through the placebo effect.     Roman Concrete Magic     “Scientists may have found magic ingredient behind ancient Rome’s self-healing concrete” by Jacklin Kwan  “Why modern mortar crumbles, but Roman concrete lasts millennia” by ZAHRA AHMAD    Virovore     “First "virovore" discovered: An organism that eats viruses” By Michael Irving  “The consumption of viruses returns energy to food chains” by John P. DeLong et al.    Placebo Guilt    “Placebos reduce feelings of guilt – even when people know they’re taking one” by Jeremy Howick  “Deceptive and open-label placebo effects in experimentally induced guilt: a randomized controlled trial in healthy subjects” by Dilan Sezer, Cosima Locher & Jens Gaab    Follow Curiosity Daily on your favorite podcast app to get smarter with Calli and Nate — for free! 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. Hosted on Acast. See acast.com/privacy for more information.