Physician John Snow famously figured out the cause of a cholera outbreak using maths and statistics. James Grime tells us what happened, walking those very same streets. | Royal Institution of Great Britain

Here's a look at John Snow's map of cholera outbreaks from nineteenth century London in 2D and 3D. http://ow.ly/BlL950yDa9s | Esri

John Snow was the first person to use maps and data records to track the spread of a disease back to its source. His innovative methods provided a foundation for modern epidemiology and have been used to quell many potentially catastrophic outbreaks, likely saving millions of lives. Read more: https://www.humanprogress.org/heroes-of-progress-pt-45-john-snow/ | HumanProgress.org

24K views · 78K reactions | Haha藍 #funny #anesthesia #haha #reaction #藍藍藍 | UsFunniestvideo | Facebook

78K views · 6.5K reactions | The Perfect Snow Coating—Walk With Me: An untouched inch of snow coats the terrific boardwalk that leads us to Carpenter Falls along Bear Swamp Creek near Skaneateles Lake here in the Finger Lakes. Let’s take a wintry stroll. | John Kucko Digital | Facebook

2.8K views · 75 reactions | John Snow was the first person to use maps and data to track a disease to its source. His innovative methods provided a foundation for modern epidemiology and have been used to quell many potentially catastrophic outbreaks. Learn more about John Snow and other Heroes of Progress in our book: https://www.heroesofprogress.com/ | HumanProgress.org | Facebook