In a study published in October in the journal Proceedings of the National Academy of Sciences, the researchers found that the participants no longer selectively considered just the positive information when the functioning of that part of the brain was disrupted with electric current.

WSJ: Resolutions: So Irresistible, So Hard to Keep

For example, in a study published last year in the Proceedings of the National Academy of Sciences a group of researchers looked at crustaceans (crabs, shrimps, woodlice and so on) over the past 550m years and found far more examples of groups of species evolving towards complexity than in the other direction.

ECONOMIST: Evolution

The results, published Monday in the Proceedings of the National Academy of Sciences, are called exciting by researchers.

CNN: Advances in kids' early aging disease

Those researchers, who are affiliated with the Austrian Academy of Sciences and other European organizations, used lasers to teleport a photon from one Canary Island to the other.

FORBES: Physicists Quantum Teleport Photons Over 88 Miles

The researchers findings were published in the Proceedings of the National Academy of Sciences.

FORBES: Paleontologists Find Oldest Dinosaur Nesting Site

In January, Slim and Khan announced in Mexico City that the Carlos Slim Foundation and Khan Academy had signed an agreement of cooperation to allow students, teachers, researchers and others in Mexico and Latin America to get access to education and training courses by translating them into Spanish.

FORBES: Activists Protest Mexican Tycoon Carlos Slim's 'Monopolistic Practices' At New York Public Library

This week, a group of researchers led by Takao Someya of the University of Tokyo announced in the Proceedings of the National Academy of Sciences that they have taken a step towards providing such a covering.

ECONOMIST: Robotics: Dermatology for 'droids | The