Toothbrush

“I shall largely speak of mice,” the paper begins “but my thoughts are on man.”So begins a truly extraordinary scientific paper, and an equally extraordinary story.“Death Squared: The Explosive Growth and Demise of a Mouse Population.” was published in 1973 by John Calhoun, and i ...  Show more

In July 2024 a startling scientific paper was published.Headlined ‘Evidence of dark oxygen production at the abyssal seafloor’, scientists told how they had discovered oxygen being made two and a half miles down, at the bottom of the Pacific Ocean.Their claim centred on small pol ...  Show more

The toothbrush was invented in jail - by a prisoner! How did that happen? And how did toothbrushing become a regular daily activity in the 1950s? You'll travel to Egypt, London, and more in this episode that will get your kids excited to brush!   For more great Toothbrushing reso ...  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

'Look after your teeths' says James as we explore the world of oral hygiene! How do you keep your teeth clean? Join the convo. Learn more about your ad choices. Visit megaphone.fm/adchoices 

Every morning and every night we have to get the toothpaste and our toothbrushes and clean our teeth... But why? Let's visit dentist Dr Mihiri Silva for a check up and learn why it's so important to look after our teeth.