Written by: Julia Zeh Edited by: Olivia Ghosh Does homosexuality exist in animals other than humans? Yes, and no. From the perspective of Darwinian evolution, homosexuality is a puzzling concept. According to Charles Darwin, natural selection works to promote fitness in the sense of increasing reproductive output. In order for certain traits to evolve, they
Written by: Julia Zeh Edited by: Olivia Ghosh The animal kingdom is chock-full of weird, crazy, mixed-up gender roles and sexualities. From sex-changing fish to homosexual birds, and everything in between, evolution has created an immense diversity among animals when it comes to the behavioral and morphological aspects of gender and sex. The spotted hyena
Part 1 of a series on love. By: Aditya Nair Every thought, idea, or emotion that you’ve ever had is the result of networked interactions of cells in the brain called neurons. Every time you feel a strong emotion like the apprehension in the pit of your stomach before a biology test, the excitement of
Check out Wired’s typically hilarious list of the 10 worst evolutionary designs. In addition to the obligatory sex references, it describes new-born kangaroos as “squisy jellybeans.” Pretty apt I think, judging by this picture.
A new study released this week shows that women are getting more attractive over evolutionary time. However, men are not. This study, by a team of scientists in Helsinki, builds on previous research showing that attractive couples are more likely to produce daughters. Evolutionary psychologist Kanazawa says: “Physical attractiveness is a highly heritable trait, which