Zientzia hedabideetan

A company given $21 million by leading Silicon Valley investors aims to extend Bitcoin’s functionality so it can power much more than just payments.

Hasi dira probak ‘Orion’ espaziontziarekin. NASAk argi du xedea: gizakia Martera heltzea. Planeta ezagutzeko litzateke, eta AEBek espazioan galduriko lidergoa berreskuratzeko.

Vivir más años no viene siempre acompañados de una vida mejor. O sí. El debate entre dos expertos en la prensa estadounidense nos lleva a plantearnos si de verdad vivimos mejor, además de vivir más años.

Aspidoscelis neavesi was produced in the lab by mating two other species, and its creation defies conventional ideas about how new species evolve. Aspidoscelis neavesi was produced in the lab by mating two other species, and its creation defies conventional ideas about how new species evolve.

Metabolismoaren herentziazko asaldura da bat da homozistinuria; akats entzimatiko bat da, eta odolean eta gernuan homozisteina metatzea eragiten du. Izan ere, asaldura hori duen pertsona ez da gai homozisteina metabolizatzeko (aminoazido bat, metionina, prozesatzean sortzen den konposatu bat da). Konposatu hori gorputzean metatzea toxikoa da, eta, ondorioz, homozistinuria duten gaixoek oso dieta berezia egin behar…

The birds left one to two full days before we humans had seen any sign of it. When they began their travels, there was no change discernible in wind speed or direction, in barometric pressure or temperature. The birds had somehow known a very violent storm was coming, which might have killed them with its…

Every cell in your body reads the same genome, the DNA-encoded instruction set that builds proteins. But your cells couldn’t be more different. Neurons send electrical messages, liver cells break down chemicals, muscle cells move the body. How do cells employ the same basic set of genetic instructions to carry out their own specialized tasks?…

Discovery of hydrogen-rich waters hints at unexplored microbial ecosystems.

There are places on comet 67P/Churyumov-Gerasimenko where cauliflowerlike textures appear in the dusty crust, like goose bumps under the skin. Scientists using theRosetta spacecraft—which arrived at 67P in August and became the first mission to orbit and land on a comet—now think they may have discovered the source of these patterns on cliff faces and…