The concept of envy, which is conceived in technical terms as "aversion to inequality", is the evolutionary result of a competition for limited resources, according to a study carried out by the Spanish economist Antonio Cabrales.
If your dog destroys furniture when you are away from home, it could be pessimistic, according to a British study. According to the authors, from the University of Bristol, some dogs are pessimistic by nature, while others have a more jovial temperament.
A study published in the journal Psychological Science reveals that telling a lie makes us want to physically clean our mouths. If instead of saying it we write it, for example in an email, we feel the urge to wash our hands.
Certain body postures, such as placing the hands behind the head or the feet on the table, affect our hormone levels making us feel stronger, more powerful and "daring", according to a study by Harvard researcher Amy JC Cuddy and her colleagues.
The "moans" released by certain tennis players such as Rafael Nadal or María Sharapova during a match give them an advantage over their rivals, according to a study by scientists from the University of British Columbia and the University of Hawaii, published in the journal PLoS ONE.
Falling in love has a price. Specifically, it costs the loss of two close friends, according to a study by the University of Oxford (United Kingdom) that has been presented at the British Science Festival held in Birmingham.
The six astronauts of MARS500, the project of the Russian Institute IBMP (Institute of Biomedical Problems) and the European Space Agency (ESA) that simulates a trip to Mars, completed a hundred days of confinement on Saturday "without any problems and within the normality ", as explained by the psychologist Rosa María Baños.
Lighting the streets with blue light instead of white, orange or yellow could reduce both the number of suicides and the crimes committed. Although there are still not enough studies to confirm it, several cities have decided to put this measure to the test. The Japanese railway company Central Nippon Expressway Co began installing LED panels last year to project blue light on its platforms, in order to discourage people from trying to kill themselves by jumping onto the tracks.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
