Researchers used the 2009 H1N1 Swine Flu to produce a mathematical model capable of predicting the spread of pandemic flu infections within households and other populations.

Why would anyone want to convert an exponential expression from one base to another? Why would logarithms help? Mike DeHaan breaks down the math for you.

A new Bayesian population model shows the number of workers, compared to the number of elderly in need of support, declining dramatically between now and 2100 AD. Will future workers be able to support their parents?