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Un día sin química
¿Os podéis imaginar un día sin química? Yo no, pero en la American Chemical Society han hecho el esfuerzo y han editado un video (duración de menos de 2 minutos) de lo que sería un día sin química. Por supuesto, el video está editado en blanco y negro, pues tenemos colores gracias a la química.
El video lo podéis encontrar en http://bytesizescience.com/index.cfm/2011/1/20/A-Day-Without-Chemistry.
Un día sin química sería un día sin:
En esta imagen (del video) se indican algunas aportaciones de la química para nuestro bienestar diario. El video y esta imagen son suficientes para destacar el papel de la química.
Bernardo Herradón
IQOG-CSIC

Reading this confirmed something I had been suspecting about the topic, and a look at validpath pushed that confirmation toward greater confidence, content that lines up with independently held intuitions earns a special kind of trust and I will return to writers who consistently land that way for me without overselling positions.
High quality writing, no marketing speak and no buzzwords that mean nothing, and a stop at fastfield kept that going, simple direct content that actually communicates something is harder to find than it should be and this is one of the rare places that gets it right consistently across many different posts.
A piece that suggested careful editing without showing the marks of the editing, and a look at wandabruce continued that invisible polish, the best editing disappears into the prose and this site reads as having been edited with skill that does not announce itself which is the highest compliment I can offer any blog content.
A genuine compliment to the writer for keeping the post focused on what mattered, and a look at golddomain continued that disciplined focus, focus is a editorial choice that compounds across many small decisions and this site has clearly made those small decisions consistently across what I have read so far this week here.
Learned something from this without having to dig through layers of fluff, and a stop at forwardmotionstarts added a bit more context that helped tie things together for me, definitely a useful corner of the internet for anyone who wants real information without the usual marketing nonsense around it that often ruins similar pages.
Closed the tab and immediately reopened it ten minutes later because I wanted to reread a part, and a stop at dylanbeltran drew the same return, content that pulls you back after closing it is doing something well beyond the average and worth marking as exceptional in my mental catalogue of reliable sites.
Honestly enjoyed not being sold anything for the entire duration of the post, and a look at blog33candidate kept that pleasant absence going across more pages, content that exists for its own sake rather than as a funnel to a paid product is increasingly rare and worth supporting where I can find it.
Came in expecting another generic take and got something with actual character instead, and a look at forwardmomentumforms carried that personality forward, finding a distinct voice on a saturated topic is impressive and worth pointing out when it happens because most sites end up sounding identical to their nearest competitors quickly.
Really appreciate the confidence to make a clear point rather than hedging everything, and a quick visit to clarityopensprogress maintained the same direct stance, writing that takes positions rather than equivocating is more useful even when the positions are debatable because at least the reader has something to react to clearly.
Found this useful, the points line up well with what I have been thinking about lately, and a stop at opsorder added some angles I had not considered yet, definitely walking away with more than I came for which is the best outcome from time spent reading online for any kind of topic.
A small thing but the line spacing and font choices made reading this physically pleasant, and a look at signalactivatesdirection maintained the same careful design, technical choices about typography are part of what makes online reading actually comfortable and this site has clearly invested in the design layer alongside the content layer carefully.
Reading this on a slow Sunday and finding it perfectly suited to a slow Sunday read, and a quick stop at ideasdriveforward kept the same gentle pace, content that fits the mood of the moment is something I notice and remember and this site has the kind of pace that suits relaxed reading sessions especially well.
Now noticing that the post avoided the temptation to be funny in places where humour would have undermined the substance, and a stop at growthmovesclean maintained the same restraint, knowing when to be serious is a rare editorial virtue and this site has clearly developed it through what I assume is careful editorial practice over years.
Felt the writer was speaking my language without trying to imitate it, and a look at growthmoveswithsignal continued that natural fit, when a writers default voice happens to match what you find easy to read the experience feels frictionless and that is something I notice and remember about specific sites going forward.
Really appreciate the confidence to make a clear point rather than hedging everything, and a quick visit to growthalignsforward maintained the same direct stance, writing that takes positions rather than equivocating is more useful even when the positions are debatable because at least the reader has something to react to clearly.
Clean writing, easy to read, and never tries too hard to impress, that combination is harder to find than people think, and after my time on forwardmotionclarity I am sure this site treats its readers well, no flashy tricks just useful content done right which is honestly all I want online.
Really appreciate the lack of pop ups, modals, cookie banners stacking on top of each other, and a quick visit to directioncreatesmovement confirmed the same clean approach across the rest of the site, technical decisions about user experience are part of what makes content actually pleasant to engage with for sure.
Now realising this site has been quietly doing good work for longer than I knew, and a look at ideasbecomeresults suggested an archive worth exploring, sites with deep archives of consistent quality represent a different kind of resource than sites with viral hits and this one looks like the durable kind based on what I see.
Different feel from the algorithmically optimised posts that dominate the topic, and a stop at webtitan reinforced that human touch, you can tell when a site is being run by someone who reads what they publish versus someone just hitting submit and moving on quickly to the next assignment without checking the result.
Probably this is one of the better quiet successes on the open web at the moment, and a look at blog33become reinforced that quiet success quality, sites that are doing well without making a noise about doing well are the sites I most respect and this one has clearly chosen the quiet success path consistently throughout.
Just one of those reads that left me feeling slightly more capable rather than overwhelmed, and a look at clarityguidesdirection kept that empowering feel going, the difference between content that builds the reader up and content that intimidates them is huge and this site clearly knows which side of that line to stand.
Took the time to read the comments on this post too and they were also worth reading, and a stop at progressflowsforward suggested the community quality matches the content quality, when the conversation around a piece is as good as the piece itself you know you have found a real corner of the internet.
Generally I find the content on similar topics frustrating in specific ways and this post avoided all of them, and a look at actionguidesmotion continued that frustration free experience, content that sidesteps the standard failure modes of its genre is content with editorial awareness and this site has clearly studied what fails elsewhere consistently.
Now placing this in the same category as a few other sites I have come to trust, and a look at tacthaven continued the placement decision, the small category of fully trusted sites is one I extend rarely and only after multiple positive reading sessions and this site has earned the category placement methodically over time.
The pacing of the post was just right, never rushed and never dragged out unnecessarily, and a look at ideascreatealignment maintained the same rhythm, you can tell the writer has experience because the difficult skill of pacing is something only practiced writers manage to handle well in long form content over time and across formats.
Once I trust a site this much I tend to read everything they publish and that is the trajectory I am on with this one, and a stop at ideasmovewithpurpose confirmed the trajectory, the rare progression from interested reader to comprehensive reader is something only certain sites earn and this one is earning that progression rapidly.
Reading this in a quiet hour and finding it suited the quiet, and a stop at directionactivatesgrowth extended the quiet reading mood, content that matches its own optimal reading conditions rather than fighting them is content that has been thoughtfully calibrated and this site reads as having a particular reading mood in mind throughout.
Now sitting back and recognising that this was a small but real win in my reading day, and a stop at focuschannelsenergy extended that quiet win, the cumulative effect of small reading wins versus the cumulative effect of small reading losses is real over time and this site is contributing to the wins side of that ledger.
In the middle of an otherwise scattered day this post landed as a moment of focus, and a stop at blog44us extended that focused feeling across more pages, content that anchors a fragmented day rather than contributing to the fragmentation is content with real centring effect and this site is providing that anchoring function for me.
Recommended without hesitation if you care about careful coverage of this topic, and a stop at directionclarifiesmotion reinforced the recommendation, the bar I set for unhesitating recommendations is fairly high and this site has cleared it through the cumulative weight of multiple consistently good pieces rather than through any single standout post which is meaningful.
Came in tired from a long day and the writing held my attention anyway, and a stop at actioncreatesvelocity kept that going, content that can engage a fatigued reader is doing something right because most online reading happens in suboptimal conditions like that one and quality content adapts to it without complaint.
Closed the tab with a small sense of finality rather than the usual rushed exit, and a stop at forwardtractionengine produced the same considered closing, when reading ends with deliberate satisfaction rather than impatient skip you know the time was well spent and this site is producing those satisfying endings consistently across what I read.
Closed the tab with a small sense of finality rather than the usual rushed exit, and a stop at blog44full produced the same considered closing, when reading ends with deliberate satisfaction rather than impatient skip you know the time was well spent and this site is producing those satisfying endings consistently across what I read.
Recommended without hesitation if you care about careful coverage of this topic, and a stop at clarityguidesgrowth reinforced the recommendation, the bar I set for unhesitating recommendations is fairly high and this site has cleared it through the cumulative weight of multiple consistently good pieces rather than through any single standout post which is meaningful.
Worth recognising that the post did not pretend to be the final word on the topic, and a stop at actioncreatespath continued that humility, content that admits its own scope and limits is more trustworthy than content that overreaches and this site has clearly developed the editorial maturity to know what it can and cannot claim well.
Now realising the post solved a small problem I had been carrying for weeks, and a look at directioncreatesvelocity extended that problem solving function, content that connects to specific unresolved questions in my own life rather than just providing general interest is content with real practical impact and this site is providing that practical value.
A piece that respected the reader by not over explaining the obvious, and a look at forwardmovementpath continued that calibrated approach, finding the right level of explanation is one of the harder editorial calls and this site has clearly thought carefully about what readers will already know versus what they need help with consistently.
Liked the natural conversational tone throughout, never stiff and never overly casual either, and a stop at progresswithintention kept that comfortable middle ground going, finding a tone that respects the reader without becoming distant or overly familiar is harder than it sounds and this site nails that balance consistently across many different pieces.
Ended up here on a wandering afternoon and was glad I stayed for the read, and a stop at clarityguidesmoves extended the wandering into a proper exploration of the site, the kind of place that rewards aimless clicking with something genuinely interesting rather than the shallow content that mostly populates the modern open web.
Solid post, the structure is easy to follow and the language stays simple even when the topic gets a bit more involved, and a look at clarityturnsprogress kept that same standard going, so I left feeling like the time spent here was actually worth something for once which is rare lately.
Glad I gave this fifteen minutes rather than the usual three minute skim, and a look at momentumfindsclarity earned the same investment, time spent on quality content is rarely wasted but the reverse is also true and learning which sites deserve which kind of attention is part of being a careful online reader.
Reading this felt productive in a way most internet reading does not, and a look at blog33page continued that productive feeling, sometimes the open web feels like a waste of time but sites like this remind me why I still bother to look around rather than retreating to old reliable sources for everything I need.
Worth bookmarking and sharing with anyone interested in the topic, that is my honest take, and a stop at actionshapesdirection reinforces that, the kind of generous resource that makes the open web feel worth defending against the constant pressure to retreat into walled gardens and curated feeds today everywhere I look across all my devices.
A nicely understated post that does not shout for attention, and a look at actionmovesforward maintained the same quiet quality, understatement is a stylistic choice that distinguishes serious writing from attention seeking writing and this site has clearly committed to the understated approach as a core editorial value rather than just a phase.
Bookmark earned, share earned, return visit earned, all from one reading session, and a look at ideasfindmomentum did the same, the trifecta of bookmark and share and return is rare in a single visit and represents the highest level of engagement I tend to offer any piece of online content these days here.
I appreciate the clarity here, everything is explained in simple terms without unnecessary detail, and after a quick stop at focusdefinesdirection the points came together nicely for me, the writing keeps things straightforward and respects the reader from start to finish without ever talking down to anyone.
Generally I do not leave comments but this post merits a small note, and a stop at focusbuildspathways extended that comment worthy quality, the urge to actively contribute to a sites community rather than passively consume from it is something specific content provokes and this site has provoked that engagement urge from me today.
Quality work here, the post reads cleanly and the points stay focused throughout, and a stop at signalcreatesprogress kept the standard high, you can tell the writer cares about the final result rather than just hitting publish for the sake of having something new on the page to feed the search engines.
Generally I find the content on similar topics frustrating in specific ways and this post avoided all of them, and a look at signalturnsideas continued that frustration free experience, content that sidesteps the standard failure modes of its genre is content with editorial awareness and this site has clearly studied what fails elsewhere consistently.
Picked up two new ideas that I expect will come up in conversations this week, and a look at focusdrivenforward added another, content that arms me with talking points rather than just filling time is the kind that provides ongoing value beyond the moment of reading and this site is generating that kind of ongoing value.