In the last days there has been an important breakthrough in physics and particularly in cosmology due to the publication of the results of the BICEP2 collaboration on the measure of certain polarization of the Cosmic Microwave Background (CMB) we refer to as B-modes. These modes are thought to be sensible to the density of […]
One of the most classical problems in philosophy is the existence and nature of free will. Though the growth of our scientific knowledge about the brain, and about the universe in general, is making the notion of ‘free will’ less and less tenable, it seems that the major difficulty becomes to reconcile this idea with […]
One of the most important features of thermodynamics is that it has improved human quality of life amazingly during the last centuries. Since in 1606, the Spanish inventor Jerónimo de Ayanz y Beaumont patented the first steam engine a great effort has been done in developing new and better thermal machines. Internal combustion engines, heat […]
Humanities & Social Sciences • Science • Technology • Weekly Selection
Salamanders may be getting shorter due to climate change Appalachian salamanders have gotten shorter in the past 50 years, possibly adapting to warmer, drier weather conditions. Researchers compared specimens they collected with those collected by museums from the same areas since 1957. They found that each generation of salamanders in several species grew 1% smaller […]
Is there anyone that doesn’t know the sport of curling? Just in case: curling is a winter sport played indoors where two teams take turns sliding rocks on ice, trying to place them as close as possible to the button, a target area of four concentric rings placed about 30m away. One curler delivers the […]
Supernovae are one of the most fascinating events in stellar astrophysics. Most stars suffer explosions at some point of their last days but the most massive ones explode releasing incredible amounts of energy and rivaling in brightness with the rest of the galaxy they live in. What they leave behind is hydrogen enriched with materials […]
In a previous article I wrote about the high speed attacks of the mantis shrimps. However, my favourite feature of these crustaceans is their unique eyes. They have two apposition compound eyes, typical of many diurnal insects and crustaceans but unusual in how freely they can move on their stalks. The eye forms an image […]
Humanities & Social Sciences • Science • Technology • Weekly Selection
Iron dust helped plankton thrive during last ice age Plankton gorged on iron dust during the last ice age, causing them to thrive and absorb vast amounts of carbon dioxide in the air, according to a study published in the journal Science. Some scientists argue that by seeding areas such as the Southern Ocean in […]
A uthor: Kepa Ruiz-Mirazo, Permanent Researcher, University of the Basque Country (UPV-EHU) The effort of mapping ignorance in biology is especially frustrating –or, if the mood and attitude of the scientist afford it, especially motivating– because solid, definite answers remain minimal compared to the amount of open issues and uncertainties that new discoveries in this […]
The literature of experimental economics has documented that individuals consistently make voluntary payments. Two methodological questions arise from this fact. First, which are the precise drivers of this pro-social behavior and, second, whether these findings can be extended to real life situations. Tobias Regner (2014) addresses these questions comparing theoretical and laboratory results with the […]