Tag Archives:: biología
Meeting the ancestors: History of Ashkenazi Jews revealed in medieval DNA
Ancient DNA from German cemetery suggests timing of population bottleneck for today’s largest Jewish group […]
Humans Keep Growing an Extra Artery in Their Arms, And This Is Why
Picturing how our species might appear in the far future often invites wild speculation over stand-out features such as height, brain size, and skin complexion. Yet subtle shifts in our anatomy today demonstrate how unpredictable evolution can be. […]
These Mysterious Fungi Belong to an Entirely New Branch on The Tree of Life
Some of Earth’s weirdest fungi, including types of lichen, mycorrhizal, and insect symbiotes, never quite seemed to fit in our current tree of life. But a new genetic analysis discovered that despite the extreme differences between these oddballs, they actually […]
Las aves más singulares corren mayor riesgo de extinción
Estos animales de combinaciones extremas y rasgos poco comunes, como el rabihorcado o fragata de la isla Navidad, la garza agamí o el zarapito de cerdas están más expuestos a desaparecer. […]
El cerebro de los pulpos, más parecido al humano de lo que creíamos
Entre todos los invertebrados, los cefalópodos son los únicos animales que han desarrollado grandes y complejos cerebros con distintas capacidades cognitivas […]
Toxoplasmosia eragiten duen parasitoak otsoak ausartago egiten ditu
Toxoplasma gondii parasitoaren eraginpean dauden otsoek arriskuak hartzeko joera handiagoa dute, baita taldeko lider izateko probabilitate handiagoa ere. Eta horrek otso-talde osoari eragin diezaioke, parasitoaren mesedetan. Ondorio horiek atera dituzte Yellowstone Parke Nazionaleko (Estatu Batuak) otsoekin egindako ikerketa batean. […]
CRISPR tools found in thousands of viruses could boost gene editing
Phages probably picked up DNA-cutting systems from microbial hosts, and might use them to fight other viruses. […]
Reforestation means more than just planting trees
Scientists are figuring out the best strategies to regrow lost forests […]
La ‘alfombra de baño’ sin boca ni tripa que comía con todo su cuerpo
Descubren cómo y de qué se alimentaban los animales más antiguos conocidos, de hace mas de 550 millones de años […]
Competition between respiratory viruses may hold off a ‘tripledemic’ this winter
Researchers say there is a growing body of evidence these viruses interfere with each other’s spread […]