From the 1970s to the early 1990s a patch of land in Hong Kong the size of just a few football fields was the most densely-populated area in the world – and by a longshot. Even more remarkable, it was an outlaw land that somehow formed a tight community.See omnystudio.com/listene ...Show more
Short Stuff: In-Flight Entertainment
Movies on planes have changed a lot in the last couple of decades. Today, we'll go over how this stuff works. See omnystudio.com/listener for privacy information.
Nearly three out of four U.S. communities add fluoride to their water. Officially, the compound strengthens teeth and helps prevent cavities—but recent studies have suggested it might increase cancer risks and lower IQ. Is fluoridated water a medical marvel, or a poison? And why ...Show more
Redefining Tooth Care with Fluoride-Free Innovations
Check Out My NEW Line of Toothpaste and Professional Dental Varnish!!Welcome back to Ask the Dentist! Join us for insightful discussions debunking online myths and the importance of asking questions at the dentist. Learn about engaging with your dental hygienist during cleanings ...Show more
Toothpaste is a vital substance in our war against tooth decay, but when did we first rub this stuff into our teeth and gums? In this episode of Invention, Robert Lamb and Joe McCormick squeeze out the history and origins of toothpaste. Learn more about your ad-choices at https:/ ...Show more
Chemist Andrea Sella tells the story of how the feared element ended up giving us better teeth, mood and health.Many chemists have lost their lives trying to isolate the periodic table’s most chemically reactive element – hence the nickname “the tiger of chemistry”. Fluorine can ...Show more