En los medios

El análisis genético de más de 300 variedades de tomate permite reconstruir la manera en que los seres humanos hemos ido modificando la planta mediante selección artificial. Los tomates actuales son 100 veces más grandes que los originales y hemos cambiado un 25% del genoma.

A handful of patients suffering from recurrent Clostridium difficile infections (CDI) experienced a cessation of the violent diarrhea that is a hallmark of the disease after ingesting frozen, encapsulated feces from healthy, unrelated volunteers.

A tomato expert and viola player uses plant statistics to trace the history of the violin

For the first time, and to the astonishment of many of their colleagues, researchers created what they call Alzheimer’s in a Dish — a petri dish with human brain cells that develop the telltale structures of Alzheimer’s disease. In doing so, they resolved a longstanding problem of how to study Alzheimer’s and search for drugs to treat it; the best they had until now were mice that developed an imperfect form of the disease.

Nuestro universo, con lo inmenso que es, con centenares de miles de millones de galaxias visibles y tantos millones de estrellas en cada una de ellas, puede que no sea el único que exista. Tal vez hay otros universos, distintos del que conocemos, y alguno parecido… ¿Sería posible visitarlos? ¿Echarles un vistazo? ¿Comprobar siquiera si efectivamente están por ahí como burbujas aisladas… a no ser que entren algunas en colisión? Medio centenar de expertos estadounidenses, europeos y españoles se han reunido esta semana en un encuentro científico de alto nivel celebrado en la Universidad Autónoma de Madrid (UAM) para discutir precisamente los multiversos y las teorías en las que emerge su existencia.

Dos estudios independientes en la revista Science muestran que la capacidad para implantar prótesis sensibles ya está aquí. Mediante electrodos conectados al sistema nervioso, el portador de la prótesis puede sentir el contacto y distinguir texturas.

Invasive species are both a fact of life and a scientific puzzle. Humans transport animals and plants thousands of miles from where they first evolved — sometimes accidentally, sometimes intentionally. Many of those species die off in their new homes. Some barely eke out an existence.

But some become ecological nightmares. In the Northeast, emerald ash borers are destroying ash trees, while Japanese barberry is blanketing forest floors, outcompeting native plants. Scientists aren’t certain why species like these are proving superior so far from home.

In the study of the human mind, old disciplinary boundaries have begun to dissolve and fruitful new relationships between the sciences and humanities have sprung up in their place. When it comes to the cognitive science of language, Stephen Booth may be the most prescient literary critic who ever put pen to paper. In his fieldwork in poetic experience, he unwittingly anticipated several language-processing phenomena that cognitive scientists have only recently begun to study. Booth’s work not only provides one of the most original and penetrating looks into the nature of Shakespeare’s genius, it has profound implications for understanding the processes that shape how we think.

Gran parte de la capacidad del VIH para escapar al sistema inmunitario y a los intentos para desarrollar vacunas están en el carácter cambiante de su cubierta. Por eso, la descripción —y obtención de imágenes— que sufre el virus justo antes de infectar a una célula se considera un paso clave para derrotarlo. Este trabajo, realizado por un equipo multicéntrico dirigido por científicos de la Universidad de Yale, ha sido publicado simultáneamente en Nature yScience.

The giant sauropod dinosaurs like Diplodocus and Apatosaurus are familiar thanks to their huge sizes and unique body shapes of a long neck and tail with a tiny head perched on top. Among their ranks were the largest terrestrial animals of all time, and yet an enduring mystery remains – how did so many animals of this size get to be so big?