To be included on the World Heritage List, sites must be of outstanding universal value and meet at least one out of ten selection criteria. These criteria are explained in the Operational Guidelines ...

and has suggested that since such behaviour favours the survival of the group and not of the individual it must have evolved by a process of group selection. It is the purpose of this ...

Multiple choice questions are perhaps the easiest to complete, you simply put a cross in a box. However, the questions often have two answers that could, at first glance, be correct. Don’t make ...

Selection Sunday is the name for the day the NCAA Tournament's bracket for March Madness is revealed. The men's and women's Division I tournaments include 68 teams, divided into multiple rounds ...

For example, if heterozygotes at a locus have higher fitness than homozygotes (a scenario known as heterozygote advantage or overdominance), natural selection will maintain multiple alleles at ...