Matthew Perry's funeral took place on Friday in Los Angeles, following his sudden death due to a cardiac arrest on October 28. All of Perry's co-stars from "Friends" attended this intimate ceremony.

The Hardy-Weinberg equilibrium can be disturbed by a number of forces, including mutations, natural selection, nonrandom mating, genetic drift, and gene flow. For instance, mutations disrupt the ...

How might adaptations of centromere proteins prevent drive or otherwise suppress the costs of nonrandom segregation? And what does all this mean for the evolution of populations and species? Random ...