A new interactive chart of confirmed cases of COVID-19 shows the path of exponential growth and highlights the countries that have beaten the “growth trap.” Henry Reich and Aatish Bhatia, both ...

In any biological system, if you put a living organism into an environment where it can thrive, with unlimited resources and no predators or competitors, it will always grow in the same fashion: ...

Suppose you saw in the news that there was a new disease, and one person was hospitalized with it. There had been no hospitalizations before today—and yet, there had been 12,800 positive tests today ...