A team of researchers from the University of Texas Southwestern Medical Center has identified a type of cells in the brain that play a decisive role in the regulation of circadian rhythms, a kind of internal biological clock that controls everything from our sleep patterns and metabolism to our metabolism. blood pressure and hormone production.
An international team of scientists has discovered the largest absence of evolution ever seen. It is a type of microorganism that lives in the high seas and that seems to have not evolved over more than 2 billion years. Does this discovery clash with Charles Darwin's theory of evolution?
A geological formation deposited from Madagascar has been the site of the discovery of the fossil skull of the largest mammal of its time. The analyzes have revealed that this animal would have lived between 66 and 70 million years ago, so it would have coexisted during the era of the dinosaurs in the southern hemisphere. This is explained by experts from the University of Massachusetts Amherst (USA) to the journal Nature.
A team of ethologists from Lincoln Universities in the United Kingdom and Budapest has shown that reptiles can learn certain skills by imitating their counterparts, a behavior that, until now, was believed to be exclusive to humans and some other primates.
The North American expedition under the name of "Wissard" (Whillans Ice Stream Subglacial Access Research Drilling) has discovered that life resides under the cold ice of Antarctica and, moreover, in abundance: under a layer 800 meters thick where it does not pass neither light nor air for millions of years, there is a complete ecosystem.
Hookworms, roundworms, and other species of parasitic worms have thrived in mammals for millions of years, including humans. Despite medical advances, infections caused by these uncomfortable hosts still cause serious morbidity in at least 1 billion people worldwide.
Being born with natural blonde hair is part of a very slight genetic change, as a team of researchers from Stanford University in California (USA) has just discovered.
Kissing disease (or infectious mononucleosis) is an infectious viral disease caused by the Epstein-Barr virus, a type of herpes virus that is transmitted mainly through saliva, mainly through kissing, but also by sharing drinks or food .
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.
