Fluoride and Water Tech #102

March 11, 2011

This episode was recorded when Science for the People was called Skeptically Speaking.

From the Roman aqueducts to the latest research on what happens when you turn the tap, it's an hour on water. Dr. William James joins us for a lesson on the history and technology of municipal water systems. And we’ll talk to University of Toronto researcher Dr. Marc Grynpas about the science and safety of water fluoridation.

Read the Canadian Dental Association's statement on the safety and effectiveness of fluoride.

Use the following links for more information regarding home water filters and fluoride:

Guests:

  • William James
  • Marc Grynpas
Listen Now

Other Episodes About Water

Let's Get Slimy

Algae. What springs to mind when you read that word? Maybe a seaweed forest? Maybe a pond covered in scum? Maybe a red tide? Those are all algae, and they can all... Read More

February 02, 2020

Sea Ice

This week, host Marion Kilgour discusses the effects of climate change on Arctic sea ice, and the Inuit communities that rely on the ice for wood, food, and roads. SmartICE is a... Read More

August 16, 2020

The Poopisode

Number 2. Poop. Crap. Doodoo. It's something that a lot of people just want to flush and forget, but others want to talk about it. Do they poop too much? Not enough?... Read More

October 25, 2022

Other Episodes About Science History

Spark: The Life of Electricity and the Electricity of Life

Usually when we talk about electricity we're talking about the technology that runs the modern world, but electricity is a lot more integral to our existance than making our tech work. Without... Read More

October 17, 2022

Breathless

In January 2020 a race began to identify, control, and understand a novel coronavirus that quickly spread around the world creating a global pandemic. In his most recent book "Breathless: The Scientific... Read More

February 16, 2023

Peopling the Americas

Thousands of years ago, people crossed a land bridge from Siberia to Western Alaska and dispersed southward into what we now call the Americas. The story of exactly when that was, how... Read More

April 11, 2023

Other Episodes About Technology

Because Internet

This week we dig into the grammar, idiosyncracies, and patterns of mondern writing the internet has made not just possible, but necessary: the writing you and I do all the time via... Read More

July 20, 2020

The Alchemy of Us

We live in a material world. Each piece of that stuff has a story behind it – from the inconspicuous glass and steel that fashions our built environments to the transistors in... Read More

September 07, 2020

Cities Lost and Found

What do ancient cities have to tell us about ourselves and our future? Annalee Newitz talks about their latest book, "Four Lost Cities: A Secret History of the Urban Age", and what... Read More

March 01, 2021

Other Episodes About Medicine

Remaking the face

In 2022 it seems surgery can perform miracles. Plastic surgery in particular can reshape noses, jaws, and even transplant entire faces. But not so long ago, plastic surgery as a field didn't... Read More

June 07, 2022

Carte Blanche: The Erosion of Medical Consent

Even the luckiest and healthiest of us will interact with the medical systems we live in eventually, and navigating these systems can be frustrating, scary, and intimidating. In this labyrinth filled with... Read More

August 03, 2022

A world of universal vaccines

It seems like no one vaccine is ever enough. COVID mutates and the vaccines fall short. A new flu vaccine every year, and each one different from the last. Wouldn't it be... Read More

September 12, 2022