1 Life expectancy and health improvements Dan Subscribe Unsubscribe 5y ago5y ago Subscribe Unsubscribe Daglig+ Modern World History Cover art photo provided by Bia Andrade on Unsplash: https://unsplash.com/@biawashere … continue reading
1 Germs in 1800s 2:51 Play Pause 5y ago2:51 Play Pause Spill senere Spill senere Lister Lik Likt 2:51 Age and germs … continue reading