Oxytocin is the hormone secreted when we experience joyous sensations. Nicknamed the "Love Hormone" it is also a good indicator of the different way in which men and women perceive social situations.

There are more than a billion users with the ability to "like" content on Facebook. If we also count tweets or "+1s", we might be nearing 2,5 billion users who can show their appreciation of online content. And yet, after that click, nothing happens. Sharepops is a website add-on that allows sites to offer something in return for online dedication.

New research conducted in Israel links levels of a hormone known as “the cuddle hormone” with longevity of romantic relationships. Couples with high levels of the hormone were found to stay together longer than couples with lower levels of the hormone.