Zientzia hedabideetan

Un equipo de científicos analiza el genoma de la especie más carismática para explicar la selección natural. El trabajo muestra la importancia de la hibridación en el proceso de diversificación de los pinzones y el importante papel de un gen que también moldea el cráneo de los humanos.

The scientists, technologists, and engineers who populate Silicon Valley and the California Bay Area deserve their reputation as innovators, building entire new economies on the strength of brains and imagination. But some of these people don’t seem to be vaccinating their children.

DNA «zaborraz» hitz egin izan da sarri, genomaren zati batek ezertarako ez zuela balio uste izan baita. Haatik, usteak erdia ustel; koloneko minbiziaren inguruko aurkikuntza bat horren isla da.

People choose organic dairy products for any number of reasons, including their perceptions on the environmental impacts of dairy farming, the treatment of cows, and the safety of milk from cows given antibiotics or extra hormones. Consumers may also think organic milk offers better nutritional content than conventional milk. However, in a review of almost…

Malaria has plagued humankind for more than 4,000 years, causing every second human death since the Middle Ages. There has never been an effective vaccine against malaria or any other human parasite, mostly because they tend to be very complex, single-celled organisms (malaria, sleeping sickness,Leishmania) or complex multicellular organisms, like the worms that cause lymphatic…

Investigadores estadounidenses han confirmado en gusanos C. elegans que la microgravedad afecta a su epigenética, el conjunto de modificaciones químicas que regulan la expresión de sus genes dependiendo del ambiente, y que, además, lo transmiten a su descendencia. El experimento lo han hecho en una cámara rotatoria en la Tierra antes de enviar a los…

Walter Pitts rose from the streets to MIT, but couldn’t escape himself.

Interest in a powerful DNA editing tool called CRISPR has revealed that bacteria are far more sophisticated than anyone imagined.

Bi zizare bizkarroi ostalari berean bizi direnean eta helburu bera dutenean, indarrak batzen dituzte ostalariaren portaeran eragiteko; helburu desberdinak dituztenean, ordea, zaharrenak irabazten du.