When we're hungry, food tends to look better to us than when we're not hungry. Blame it on a stomach "hunger hormone" by the name of ghrelin. A Montreal Neurological Institute study has been scrutinizing this in order to understand how to treat obesity. More food for thought follows in the full article, right after the jump.

One distinguishing quirk of human beings is that our preferences tend to change over time. While there is usually nothing wrong with this, it can spell danger as far as end-of-life treatment decisions are concerned. False memories apparently play a part in complicating things. If you prefer, you can read more about it in the full article after the jump.

What would you say if I were to ask you to do a good deed in exchange for fairness? Sure, money and chocolate may be more recognizable, tangible rewards. A recent study, however, suggests that the human brain tends to treat fairness as a reward as well. Fair enough. Turn to the full article after the jump for more scientific details.

"Laugh and the world laughs with you," so goes the saying. Have you ever wondered why this is the case? Wonder no more, as more information regarding why we guffaw has recently come to light. Dan Zarrella explains how and why contagious laughter works. More laughing matters surface in the full article, right after the jump.

Regardless of whether people are really made of snips and snails or sugar and spice, the fact remains gender differences exist, even in the realm of languages. The reason for this, scientists say, may have its basis in biology. More on gender differences in the full article, right after the jump.

If you're male and find it a wee bit difficult to put down the controller when you're playing a video game, then the findings of a Stanford study might be able provide you with a pretty interesting reason behind it.

In a study done by Allan Reiss and his colleagues, they were able to find out that video games have a greater effect on the reward region of the brain of men than in women. Details of their study in the full article.

There is currently no cure for Alzheimer's disease, but there may yet be hope of reversing the symptoms of the neurodegenerative disease if a certain prototype cognitive helmet designed by Dr. Gordon Dougal of the University of Sunderland lives up to its creator's and its user's expectations. More details on this strange-looking helmet after the jump.

What used to be a fine art confined to mind reading stalls in carnivals, such practices may soon move to more practical uses in society with much more credibility.

German scientists have conducted a study using fMRI (functional Magnetic Resonance Imaging) devices to help determine specific brain patterns and eventually read a person's thoughts and intentions from them. Check out the full article for more details!

Even celebrities make mistakes, apparently. A report written by Sense About Science talks about the many factual errors celebrities and artists have made during the past year while endorsing products of a scientific nature.

For more information, check out the full article!

A team of Swedish scientists announced today that they had found a new area in the brain that is essential for good memory. It can be found in the basal ganglia region and they are currently referring to it as the "irrelevance filter".

Their study involves the working memory or people's ability to hold information in the mind so that it can be accessed immediately. Such things include simple mathematical calculations and phone numbers. The full story after the jump!