Technology

The future mission that NASA is preparing to transport man to Mars is leading the US space agency to consider aspects such as what to do if an astronaut becomes ill during the return trip and it is not known if the infection has occurred on the planet Red. Experts consider that an alien virus can be really dangerous, as it could trigger a plague on Earth.

These are the best astronomical photographs of 2013 according to the Royal Greenwich Observatory (UK).

Preschoolers who nap at noon retain what they learned in the morning better than children who do not sleep during the day, according to a University of Massachusetts study published in the journal Proceedings of the National Academy of Sciences.

One thousand two hundred amateur and professional photographers have participated this year in the fifth edition of the astronomical photography contest "Astronomy Photographer of the Year" organized by the Royal Observatory of Greenwich (United Kingdom) and the magazine "Sky at Night". These are the finalists. The winner will be known in September.

There are some similarities between the brain and computers, but the most interesting are all the differences that make our thinking organ really spectacular. Enrique Noé, Research Director of the Brain Injury and Neurorehabilitation Service at NISA Hospitals explains what is special about the brain and how we can compare it with current computers.

The Carlos III University of Madrid has developed a new happiness index based on migratory flows instead of being based on subjective responses to surveys. And according to the results, Hong Kong, Singapore and New Zealand top the list of the happiest countries in the world, while Spain ranks 49th.

Yogurts seem denser and also more expensive if they are tested with a light plastic spoon compared to if we use a heavy spoon to taste it

Senses such as taste or sight have established a multidimensional systematic scale that helps to understand perception. But what about smell? For the first time, American scientists have specified about ten minimum categories in which odors can be described thanks to the simplification of a statistical model.