Groningen, The Netherlands — February 1, 2011 — Mate guarding is classified as excessive or unwarranted jealous or protective behavior towards a spouse or mate. This is common among many different species and can be useful to defend territory, g…
Western culture is increasingly obsessed with physical appearance and beauty, but vanity is nothing new, nor is it limited to just one culture. Moreover, differences in our perception of physical beauty have an enormous impact on the fashion, cosmet…
As children in Western cultures grow, they learn to place numbers on a mental number line, with smaller numbers to the left and spaced further apart than the larger numbers on the right. Then the number line changes to become more linear, with small…