Mathematics is based on highly abstract principles and rules about how to structure, process, and evaluate numerical information. By teaching rhesus monkeys to order groups of points according to their size on a screen, neurobiologists Sylvia Bongard and Andreas Nieder of the University of Tubingen in Germany have found that these animals can quickly master the concept of "greater than" quantities. and "less than", obtaining 90% correct answers.
A simple eye test that locates dead cells in the retina could be used to detect diseases such as Alzheimer's before they show symptoms. The new technique, developed by scientists at University College London in mice, uses fluorescent markers that adhere to dying cells in the wall of the eye. These provide a first indication of cell death in the brain, according to scientists in the journal Cell Death and Disease.
85% of migraineurs also suffer from photophobia or extreme sensitivity to light, which forces them to wear sunglasses, sometimes even at night. A team of scientists from the Beth Israel Deaconate Medical Center in Boston, USA, thinks they know why.
Electromagnetic waves from mobile phones could protect against Alzheimer's disease and even reverse its course, according to a study carried out by scientists at the University of South Florida (USA) with a hundred mice and published in the last issue of the 'Journal of Alzheimer Disease'. Currently an estimated 36 million people suffer from this type of dementia.
Scientists from Columbia University in New York (USA) have shown that adolescents who go to bed after midnight are more likely to suffer from depression than those who go to bed before ten .
Are you supportive or individualistic? The difference between the two personality traits lies in the amygdala, a brain structure from which emotions such as fear or anger also sprout, according to a study published in the journal Nature.
Researchers at New York University in the United States have developed a non-invasive method without drugs that semi-permanently blocks the reappearance of fear memories in humans.
Intel Labs has unveiled a futuristic 48-core chip whose long-term goal is to bring "dramatically improved" performance to future computers, such as interfaces for communication between humans and electronic devices.
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.
