A Tale of Monogamy and Dopamine

In a recent hack, private information from nearly 30 million users was leaked from Ashley Madison, a “dating” website intended to facilitate extramarital affairs.  The sheer number of Ashley Madison users on this website raises some age-old questions of monogamy: is it instinctual, or even healthy?  What is it about our brains that cause some to seek monogamy and others to reject it?Continue reading

The Newest Cupid on the Block: Epigenetics

Genes are no different from individuals. Sometimes they behave in a simple, logical way. Other times, they are unpredictable and influenced by their surroundings. The central dogma (DNA to RNA to protein) describes a sequential two-step process that is very similar to the linear progression from school to college and then to work. But sometimes, things get in the way that might delay our journey from school to work or might take us off course altogether! Similarly, genes can also be influenced by intangible “external” factors. The science of epigenetics studies how the expression of genes can be influenced by factors other than changes in the DNA sequence itself.Continue reading