Chemistry • Condensed matter • Materials • Physics • Quantum physics
Faster. That is the word that describes de evolution of electronics. Any new development has to be faster than anything before, if it is going to cope with the huge amount of information that the device where it may be incorporated will have to process in almost no time. Graphene has just demonstrated once again […]
The other day I came across an article about the revolution of cultured meat at El País Semanal, although that was not the first time I read about this. Still, I have to admit is such a shocking subject that I thought it may deserve a post explaining how advanced this technology is at the […]
Carbon has four valence electrons. To fill its octet, it requires four additional electrons, which can be obtained through the formation of four covalent bonds. Carbon forms single, double, and triple bonds to achieve a filled octet. As a result, carbon can have a tetrahedral, trigonal planar, or linear geometry, respectively. A unique feature of […]
Pigmentations are among the clearest examples of phenotypic variation in many species. Hair, skin and eye colors are highly heritable and visible traits in humans. Blond hair is most commonly found in Northern and Central Europeans and their descendants. Nowadays it can be found spread in many parts of the world but it is particularly […]
An innovative group of 30 international education professionals taught the first online microbiology course using Twitter, #microMOOCSEM, complete with lectures, videos, news, and more, with some classes reaching over 260,000 impressions and 3,700 retweets. Currently, most students are users of social networks like YouTube, Facebook or Twitter and have incorporated them, often unconsciously as powerful […]
Many women mention to have memory lapses, cognitive impairment and difficulties to focus associated to pregnancy and motherhood. It is called «baby brain», «brain pregnancy» or «momnesia». In surveys, up to four-fifths of pregnant women report slight mental troubles such as problems remembering phone numbers or stringing a complex sentence together. It is considered a […]
We live in a society permanently obsesed with the idea of youth. Therefore, it is not surprising to find supposedly miraculous potions, ointments and elixirs that offer precisely that. But the idea of permanent youth is not a new idea, it comes from way back, as does the notion that young blood would help rejuvenate […]
We live in a violent universe. The energy scales involved in many astrophysical processes are enough to stamp out our planet, not to talk about life as we know it. But, somehow, we have been living so far in a delicate equilibrium. Such equilibrium has been punctuated by relatively modest catastrophes that have possibly shaped […]
So many times, I order my coffee while hesitantly eyeing the seductive pastries. This time I’ll resist these sweet beauties. Last night I came across a lecture from Einstein’s friend, Otto Heinrich Warburg (Nobel Prize in Medicine, 1931). It was 1966 and he was at the meeting of Nobel Laureates in Lindau, Germany: “ Cancer […]
A topological insulator is a material in which there is order associated to topology, i.e., the surface can conduct electricity but the bulk of the material is an insulator. In these last years topological insulators have received the attention of a large area of the scientific community thanks to their exotic properties. They are promising […]