Many logical enigmas belong to oral tradition and their origin is not known, but others are the work of prestigious authors.
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Work with “modest computing” systems achieves equivalent results just weeks after the milestone published in 'Nature'
Una revisión científica de 17 estudios concluye que los bloqueadores no han demostrado propiedades contra la fatiga ocular ni en favor de la calidad del sueño
At the end of the last Ice Age, about two-thirds of Earth's large mammals in most regions of the world disappeared. This extinction was the largest of the Cenozoic, and coincided with the climatic changes of the Quatern...
An embryo is formed when sperm fertilizes an egg. Or, at least, that was what biology had taught us until a new scientific trick made it possible to give them life in the laboratory, without eggs or sperm. With the new tools…