Galileo Galilei was the first person to see rings around a planet. He was unable to understand the image in the eyepiece of his simple, though revolutionary, telescope. Was it a triple planet? Were it handles? Much to his surprise, the unfathomable shape of Saturn changed as years went by. It took some decades to […]
Humanities & Social Sciences • Science • Technology • Weekly Selection
Orb-web spiders craft a unique disguise An orb-web spider hides itself from predators by disguising itself as bird droppings, according to researchers. The spiders have a silver colored body that, when combined with their white disc-shaped webs, gives the illusion of bird excrement that may deter predatory wasps. LiveScience Ants are organized searchers who gain […]
Nowadays there are still people that believe in destiny. However the scientific community more and more is bringing light to that subject showing that although the genetic material could program ourselves to suffer some pathologies, the day-to-day experiences are the ones that lead us towards a healthy or pathological aging. And how is that? Our […]
For many centuries, the passage of light through matter was regarded as that of a wave in a fixed medium characterized by a refractive index (n), which may depend on the frequency. This description is consistent with plenty of phenomena, including diffraction, interference, refraction, dispersion or polarization, associated to distinguished names of the history of […]
Few weeks ago, a new report by WHO reveals that antibiotic resistance is now a major threat to global public health: “ the world is headed for a post-antibiotic era ”. One of the priorities is the treatment of urinary tract infections caused by Escherichia coli strains isolated from several countries and which are resistant […]
Humanities & Social Sciences • Science • Technology • Weekly Selection
Study of extinct elephant bird leads researchers to surprising conclusion DNA studies of the massive, extinct elephant bird of Madagascar show that its closest modern relative is New Zealand’s tiny kiwi, rather than the ostrich, which it more closely resembles, leading researchers to speculate about how the flightless birds migrated, according to a study published […]
The mysteries of quantum physics have been breeding ground for thousands of attempts to connect any kind of weird hypotheses to ‘science’. The underlying inferential schema in all these attempts seems to be something like the following: X is difficult to understand, and some common-sense intuitions and arguments seem to count against X Quantum physics […]
Author: Alvaro Arrizabalaga received a BA in History (Vitoria, 1988) and a Master in CRM -Archaeology option- (Vitoria, 1992) at the University of the Basque Country (Spain). He finished his PhD in Prehistory ( La industria lítica del Paleolítico superior inicial en el oriente cantábrico ) in 1995. He has been a lecturer of Prehistory […]
This month I present the winner article of the Royal Economic Society Prize 2013 to the best non-solicited paper published in the Economic Journal. The authors are Pau Olivella and Marcos Vera-Hernández. One of the first predictions in the study of Economics of Information is the presence of the “adverse selection” phenomenon. The seminal paper […]
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Plant that consumes nickel found in the Philippines A plant that thrives in nickel-rich dirt has been discovered in the Philippines. Rinorea niccolifera can absorb large amounts of nickel through its leaves. UPI Regrown bone in monkeys using pluripotent stem cells It could be possible to grow new bone in humans using induced pluripotent stem […]