It turns out that 155 years after Charles Darwin first published “On the Origin of Species,” vexing questions remain about key aspects of evolution, such as how sexual recombination and natural ...

In their original paper presenting Google, Larry and Sergey define PageRank like this: PR(A) = (1-d) + d (PR(T1)/C(T1) + ... + PR(Tn)/C(Tn)). We dive into what that really means. Earlier today, Dixon ...