Endemic species are part of the natural heritage of a region, and their preservation for future generations should receive the same kind of priority and public understanding as historical sites, because they share a common trait: if they disappear, they will be lost forever. Of course, conservation becomes especially thorny if we are not sure […]
In this last article of the series about free will, I am going to defend what we can call ‘the regret hypotheses’, which basically asserts that the feeling of regret is the basic, and best, explanation of why we think we are free, in the sense (as we saw in the first article of the […]
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 […]
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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 […]
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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 […]
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 […]
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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 […]