New research from the University of East Anglia shows that an evolutionary force known as 'sexual selection' can explain the persistence of sex as a dominant mechanism for reproducing offspring.
Scientists said Wednesday they had amassed the first evidence to back theories that people fall into two broad categories—promiscuity or faithfulness—when it comes to sex.
Sexual selection refers to species' selection for traits that are attractive to the opposite sex. This special type of natural selection enhances opportunities to mate, the tail of male peacocks being an iconic example.
What do you get when you mix theorists in computer science with evolutionary biologists? You get an algorithm to explain sex.
Chemists at the University of Montreal used DNA molecules to developed rapid, inexpensive medical diagnostic tests that take only a few minutes to perform. Their findings, which will officially be published tomorrow in the ...
According to a well-known theory in evolutionary biology healthy females should give birth to more males than females. A study funded by the Swiss National Science Foundation shows why this is not always true.
Romantic opportunities appear to influence women's sexual identities—but not men's, suggests a new study that will be presented at the 110th Annual Meeting of the American Sociological Association (ASA).
Early adolescent girls lose friends for having sex and gain friends for "making out," while their male peers lose friends for "making out" and gain friends for having sex, finds a new study that will be presented at the 110th ...