Research review highlights marked improvement in endothelial function, which helps prevent plaque from building up in arteries. By Adrianna MacPherson Alberta, 01 March, 2023.- Exercise has a beneficial effect on the lining of arteries in postmenopausal women, according to a recent review. When the cells lining the arteries are healthy, thisContinuar Leyendo
New phylogenetic tree provides new insights into the evolutionary history of sharks and rays. Vienna, Feb 28, 2023.- Cartilaginous fish have changed much more in the course of their evolutionary history than previously believed. Evidence for this thesis has been provided by new fossils of a ray-like shark, Protospinax annectans,Continuar Leyendo
Data from Antarctica show more humpback whales get pregnant after years with abundant krill than after years when krill were less plentiful. Santa Cruz, Ca, Feb 25, 2023.- New collaborative research led by scientists at the University of California, Santa Cruz, shows reduced krill supplies lead to fewer pregnancies inContinuar Leyendo
París, Feb 25, 2023.- A massive galaxy cluster in the constellation Cetus dominates the centre of this image from the NASA/ESA Hubble Space Telescope. This image is populated with a serene collection of elliptical and spiral galaxies, but galaxies surrounding the central cluster — which is named SPT-CL J0019-2026 —Continuar Leyendo
A recent study points to a problem with platforms digging up the past — and suggests potential solutions based on user experiences. By Geoff McMaster Alberta, 23 de Febrero de 2023.- A woman named Nyla* logged on to Facebook one day only to see a photo of her former abuser staringContinuar Leyendo
The image on the left is of the Jezero Crater, on the surface of Mars; the image on the right is the Red Stone Jurassic fossil delta of the Atacama Desert in northwestern Chile, a popular geological analog for Mars. Ythaca NY, Feb 21, 2023.- Current state-of-the-art instrumentation being sentContinuar Leyendo
Ithaca, Feb 19, 2023.- An experimental contraceptive drug candidate developed by Weill Cornell Medicine investigators temporarily stops sperm in their tracks and prevents pregnancies in preclinical models. The study, published in Nature Communications on Feb. 14, demonstrates that an on-demand male contraceptive is possible. The discovery could be a «game-changer»Continuar Leyendo
Study of startups shows that both employees and employers need to be prepared for rapidly evolving expectations. By Geoff McMaster Alberta, Feb 16, 2023.- The posting described your qualifications so well, it might as well have had your name on it. But when you arrive on day one, it feels likeContinuar Leyendo
Nadie vio venir el 15 de febrero de 2013 el meteoro de Cheliábinsk, el asteroide más grande que ha golpeado la Tierra en más de un siglo. Justo después del amanecer de un soleado día de invierno, un asteroide de 20 metros y 13 000 toneladas impactó contra la atmósferaContinuar Leyendo
Ice cores are a unique climate archive. Thanks to a new method developed by researchers at the University of Bern and Empa, greenhouse gas concentrations in 1.5 million year old ice can be measured even more accurately. The EU project “Beyond EPICA” with the participation of the University of BernContinuar Leyendo
