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  • Sobre la teoría de la relatividad especial y general - Albert Einstein April 27, 2017
    Entre el Electromagnetismo y la Mecánica newtoniana existe una fórmula de bisagra: la teoría de la relatividad especial y general. La importancia del nuevo marco planteado por Albert Einstein se entiende por lo siguiente: la percepción del tiempo y el espacio es relativa al observador. ¿Qué significa esto? Si usted viaja a una velocidad mayor que la de la lu […]
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  • La teoría del todo - Stephen W. Hawking April 27, 2017
    Una manera clara y amena de acercarse a los misterios del universo. En esta esclarecedora obra, el gran físico británico Stephen Hawking nos ofrece una historia del universo, del big bang a los agujeros negros. En siete pasos, Hawking logra explicar la historia del universo, desde las primeras teorías del mundo griego y de la época medieval hasta las más com […]
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  • El cerebro artístico - Mara Dierssen April 27, 2017
    Los progresos en la neurociencia han ido iluminando aspectos del ser humano hasta entonces reservados a la mera especulación: la conciencia, el pensamiento, las emociones. La creatividad es sin duda una de ellas, pues hay pocas cosas más propiamente humanas que nuestra capacidad de inventar o de alumbrar obras imperecederas. Algo que tiene mucho más que ver […]
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  • Tricks Any Dog Can Do! - Susan Day April 27, 2017
    This great book comes with advice and guidance as to the best way to teach these tricks. It offers more than one method which the reader can choose depending upon their own situation. There is also advice to using treats and shows you how to not end up with a treat junkie! This books is from the desk of Susan Day, a canine behaviourist. Susan teaches obedien […]
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  • Inteligencia emocional para niños. Guía práctica para padres y educadores - Mireia Golobardes Subirana & Sandra Celeiro González April 27, 2017
    ¿Cómo podemos enseñar a los más pequeños a gestionar sus emociones? ¿Cómo ayudar a nuestros hijos a mejorar en sus relaciones con los demás? ¿Cómo facilitar a nuestros alumnos su capacidad para identificar sus emociones y la de los demás y favorecer relaciones sanas y positivas, con empatía y respeto? ¿Cómo contribuir a que padres y profesores puedan también […]
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  • Ágilmente - Estanislao Bachrach April 27, 2017
    Bachrach es Doctor en biología molecular y explica el funcionamiento del cerebro. A través de ello, da consejos y herramientas para ser más creativos y felices en el trabajo y en la vida. La neurociencia es clara: el cerebro aprende hasta el último día de vida. La creatividad puede expandirse. Tu mente, mediante la aplicación de las técnicas correctas, puede […]
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  • La física del futuro - Michio Kaku April 27, 2017
    Un recorrido asombroso a través de los próximos cien años de revolución científica. El futuro ya se está inventando en los laboratorios de los científicos más punteros de todo el mundo. Con toda probabilidad, en 2100 controlaremos los ordenadores a través de diminutos sensores cerebrales y podremos mover objetos con el poder de nuestras mentes, la inteligenc […]
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  • Breve historia de mi vida - Stephen Hawking April 27, 2017
    La mente maravillosa de Stephen Hawking ha deslumbrado al mundo entero revelando los misterios del universo. Ahora, por primera vez, el cosmólogo más brillante de nuestra era explora, con una mirada reveladora, su propia vida y evolución intelectual. Breve historia de mi vida cuenta el sorprendente viaje de Stephen Hawking desde su niñez […]
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  • El gran diseño - Stephen Hawking & Leonard Mlodinow April 27, 2017
    Aun antes de aparecer, este libro ha venido precedido, en todos los medios de comunicación, de una extraordinaria polémica sobre  sus conclusiones: que tanto nuestro universo como los otros muchos universos posibles surgieron de la nada, porque su creación no requiere de la intervención de ningún Dios o ser sobrenatural, sino que todos los universos pro […]
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  • ¿Cómo pensar como Sherlock Holmes? - Maria Konnikova April 27, 2017
    Ningún personaje de ficción es más conocido por sus poderes de intuición y observación que Sherlock Holmes. Pero, ¿es su inteligencia extraordinaria una invención de la ficción o podemos aprender a desarrollar estas habilidades, para mejorar nuestras vidas en el trabajo y en casa? A través de ¿ Cómo pensar como Sherlock Holmes? , la periodista y psicóloga Ma […]
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What’s A Scientist To Do? March!

It’s hard to believe that 92 years after the Scopes Monkey Trial (which debated teaching evolution in public schools), the integrity of the science community is in politically charged territory.The reality of climate change, possibly the greatest concern of the 21st century, is challenged by those who refuse to accept findings which indicate that the world is warming.There is an ongoing effort to refute that human activity has been a key driver in the “greenhouse effect.”For stakeholders in the fossil fuel industry, facts pointing to human-produced climate change is an impediment to their agenda.With greater fossil fuel carbon in the air, more heat is returning to earth. Arctic sea ice is decreasing, oceans are rising, extreme weather is frequent, birds and other species are changing their behavioral patterns.The new head of the EPA, Scott Pruitt, has maintained that the science of climate change is “far from settled.”What’s a scientist to do, beyond present the facts?March! Scientists and supporters of science will do just that at the March for Science on April 22, Earth Day.Science needs a higher profile in our country. Currently, studies show that America lags woefully behind in graduating science majors. Stats underscore that America ranked number 38 out of 40 countries. In 2012, President Obama set the goal of increasing STEM graduates by one million by 2022.Unfortunately, science isn’t considered “sexy.” When featured in news stories it too often doesn’t get the eyeballs (except glazed).That’s about to change — the tagline for the march is, “Science, Not Silence.” The organizers state:“The mischaracterization of science as a partisan issue, which has given policymakers permission to reject overwhelming evidence, is a critical and urgent matter. It is time for people who support scientific research and evidence-based policies to take a public stand and be counted.”There are several core principles featured, with the purpose of bringing key positions to the forefront:Science serves the common good and should be “free from manipulation by special interests.”Science education is essential. (That includes encouraging girls and people of color to go into the STEM fields!)Communication of scientific facts to the public should be freely accessible […]

We Can’t Protect National Parks On Shoestring Budgets

President Theodore Roosevelt once said, “The nation behaves well if it treats the natural resources as assets which it must turn over to the next generation increased and not impaired in value.” It is not surprising that the father of American conservation would believe this. His steadfast and tireless advocacy on behalf of our country’s natural wonders gave rise to our national parks. And even now, his legacy reminds us of our responsibility to care for places like Yellowstone and Everglades so they are there for our children and grandchildren to explore. From now through April 23rd, we celebrate these incredible places with National Park Week […]

Why Small-Scale Farming Is Our Best Hope For Restoring Rural America (And Combatting Climate Change)

Boarded-up business districts. Abandoned warehouses. Barns and homes covered by tarps slowly collapsing into the earth. It was startling how often this scene repeated as I drove through the rural areas of the Midwest, South, and West on the road trip that resulted in the book The Revolution Where You Live. Many of these are the same areas that famously voted for a loudmouth New Yorker. For some, he better represented conservative, rural values than Hillary Clinton did. These devastated regions, where opioid addiction is at epidemic levels, are places that ran out of hope. The cynical and bankrupt answers offered up by the 45th president will not bring prosperity to these regions. But neither would the corporate-friendly policies of a President Hillary Clinton and others in her wing of the Democratic Party […]

Spicer: Hitler ‘Didn’t Even Sink to Using Chemical Weapons’

By WHITEHOUSE.GOV | Apr. 11, 2017 | 0:54The White House press secretary, Sean Spicer, in discussing President Bashar al-Assad of Syria, caused an immediate uproar on Tuesday after stating that Hitler had not used chemical weapons during World War II. […]

You can expect Neil Gorsuch to be bad news for the environment.

Catherine Flowers has been an environmental justice fighter for as long as she can remember. “I grew up an Alabama country girl,” she says, “so I was part of the environmental movement before I even knew what it was. The natural world was my world.”

In 2001, raw sewage leaked into the yards of poor residents in Lowndes County, Alabama, because they had no access to municipal sewer systems. Local government added insult to injury by threatening 37 families with eviction or arrest because they couldn’t afford septic systems. Flowers, who is from Lowndes County, fought back: She negotiated with state government, including then-Alabama Senator Jeff Sessions, to end unfair enforcement policies, and she enlisted the Environmental Protection Agency’s help to fund septic systems. The effort earned her the nickname “The Erin Brockovich of Sewage.”

Flowers was continuing the long tradition of residents fighting for justice in Lowndes County, an epicenter for the civil rights movement. “My own parents had a rich legacy of fighting for civil rights, which to this day informs my work,” she says. “Even today, people share stories about my parents’ acts of kindness or help, and I feel it’s my duty to carry on their work.”

Years later, untreated and leaking sewage remains a persistent problem in much of Alabama. Flowers advocates for sanitation and environmental rights through the organization she founded, the Alabama Center for Rural Enterprise Community Development Corporation (ACRE, for short). She’s working with the EPA and other federal agencies to design affordable septic systems that will one day eliminate the developing-world conditions that Flowers calls Alabama’s “dirty secret.”

Former Vice President Al Gore counts himself as a big fan of Flowers’ work, calling her “a firm advocate for the poor, who recognizes that the climate crisis disproportionately affects the least wealthy and powerful among us.” Flowers says a soon-to-be-published study, based on evidence she helped collect, suggests that tropical parasites are emerging in Alabama due to poverty, poor sanitation, and climate change. “Our residents can have a bigger voice,” she said, “if the media began reporting how climate change is affecting people living in poor rural communities in 2017.” Assignment editors, pay attention.


Meet all the fixers on this year’s Grist 50.

[…]

On Climate, Blame The Trump Administration, Not The United States

President Trump’s executive order on Promoting Energy Independence and Economic Growth, signed on 28 March 2017, reneging on actions taken by the previous administration to deliver on commitments made under the Paris Climate Agreement is unconscionable. The United States is the second biggest greenhouse gas emitter on the planet, and the biggest cumulative emitter since 1850. It has a responsibility to play its part in global climate action. Climate change is a grave injustice and its negative impacts are worst in vulnerable countries and communities that have least responsibility for emissions. Climate change is already happening in the United States. In the western states drought is critically affecting local communities and impacting food production. In the midwest and northeastern states, the incidence of heavy downpours has substantially increased over the past few decades leading to flooding and erosion. Climate change poses a particular threat to people who live in areas that are vulnerable to coastal storms, drought, and sea level rise or people who live in poverty, the elderly, the young and immigrant communities […]

Trump’s latest environmental evildoing: More pollution, less protection

In a single day, President Trump did more environmental damage than during his previous 67 days in office. That’s no small achievement.

With an executive order signed on March 28, he supercharged the process of demolishing President Obama’s climate initiatives, including his signature one, the Clean Power Plan. It’s not just climate hawks, treehuggers, and grandstanding Democratic politicians who are aghast. Mainstream media outlets are, too.

“President Trump’s move to rip up Mr. Obama’s climate policies [is] beyond reckless. Children studying his presidency will ask, ‘How could anyone have done this?’” the Washington Post editorial board wrote. The New York Times ran its own anxious editorial under the headline “President Trump Risks the Planet.”

Trump’s move means the U.S. will pump out a lot more greenhouse gases than it would have if Obama’s policies had been continued.

And it will make climate change still worse by weakening the resolve of other countries to curb their emissions.

Here’s a rundown of what Trump is aiming to do with his executive order as well as other recent moves:

Motley spew
Let power plants emit more pollution

What happened? Old coal-fired power plants may get to keep polluting the air we breathe and the atmosphere that sustains life on earth, thanks to Trump’s call to toss out the Clean Power Plan. And future power plants may not be held to tougher standards that would have largely prevented new coal plants from coming online.

What does it really mean? This is A Big F’ing Deal. These power plant rules were the most significant part of the Obama administration’s effort to meet its emission-cutting pledge under the Paris climate agreement. If the U.S. is wimping out on Paris, other countries will be more inclined to wimp out, too.

But undoing the Clean Power Plan will likely take years and will definitely be challenged in court, so it’s far from a done deal. Plus, cheap natural gas means utilities aren’t likely to build new coal-fired power plants anyway, because gas plants are less expensive to run.

Frack addicts
Make it easier for companies to frack and emit methane

What happened? The Obama administration tried to tighten regulations on fracking on federal and tribal lands to prevent water pollution. It also tried to rein in methane pollution from oil and gas operations on public lands. Trump’s executive order calls for those rules to be reviewed and rewritten.

What does it really mean? The Trump administration is working to remove all obstacles that stand in the way of the oil and gas industry, pure and simple.

Full speed ahead!
Trash other rules that restrain the oil, gas, and coal industries

What happened? Trump’s executive order tells federal agencies to review regulations and actions that potentially “burden” domestic energy development, and gives them 180 days to come up with plans to scale the regulations back.

What does it really mean? We don’t know how many rules will get dragged into this process and ultimately be weakened or tossed out, but the message is clear: Drill, baby, drill. Mine, baby, mine.

The coal ball and chain
Sell off coal from public lands again

What happened? The federal program that leases land to coal companies for mining is a big money loser as well as a climate killer. In January 2016, the Obama administration put a moratorium on the program so it could consider how to improve it, potentially by charging more for coal leases and taking into account the climate impacts of mining. With his executive order, Trump called for the moratorium to be reversed, and Interior Secretary Ryan Zinke promptly did just that. Zinke also cancelled the big review of the program, so major reforms won’t be coming anytime soon.

What does it really mean? This won’t lead to much new coal mining immediately, as there’s currently a glut of coal on the market and companies already have plenty of reserves. But it means that the coal-leasing program will continue to waste taxpayer money, subsidize coal companies, and worsen climate change.

Global what?
Stop thinking about climate change

What happened? Under Obama, federal agencies were required to consider the full economic cost of climate change when making decisions about projects. The administration determined that a metric ton of CO2 pollution currently costs society about $36 — that’s called the social cost of carbon — and this number has been factored into cost-benefit analyses for regulations and other government actions, often supporting regulations that require emissions cuts.

The Obama administration also asked federal agencies to account for climate change when writing environmental impact statements for federal projects.

With his executive order, Trump is calling for a new review of the social cost of carbon, and he’s tossing out the requirement to consider climate in impact statements.

What does it really mean? Expect the social cost of carbon to drop, even though experts say it’s already way too low. Essentially, these are yet more ways for the administration to say it doesn’t give a damn about climate change.


Phew, that was quite the executive order. But wait, there’s more: Trump found time to pull some other scary moves between trips to Mar-a-Lago.

Having their spray
Allow use of a dangerous pesticide

What happened? Under Obama, the EPA proposed banning agricultural use of the toxic pesticide chlorpyrifos, but didn’t finalize the rule. Under Trump, the EPA did an about-face: On March 29, the agency officially declined to impose a ban.

What does it really mean? Scientific studies have linked even low doses of chlorpyrifos to developmental problems in kids. So children will continue to be exposed — especially the children of farm workers — while Dow AgroSciences, manufacturer of the pesticide, will continue to make lots of money selling it.

Dude, where’s my cleaner car?
Roll back auto fuel economy rules

What happened? Just before Obama moved out of the White House, his administration finalized a review of its ambitious gas-mileage standards for future cars and trucks. On March 15, the Trump administration sent those standards back to the drawing board, calling for more review after automakers complained that they were too strict.

What does it really mean? Cars will likely guzzle more gas than they need to, and the shift to electric cars may slow down.

Romancing the Keystone
Clear the way for the Keystone XL pipeline

What happened? Just as promised during his first week in office, Trump revived the Keystone XL pipeline, which would carry some of the filthiest oil on the planet down from the tar sands of Alberta, across the American farm belt, and toward refineries on the Gulf Coast. Obama denied the pipeline builder a permit to cross the U.S.-Canada border. On March 27, Trump reversed course and granted the permit.

What does it really mean? Within days of Trump’s move, environmentalists filed two lawsuits attempting to stop the pipeline’s construction. Pipeline builder TransCanada still needs approval from Nebraska and may face financial hurdles. Even so, chances are better than ever that the world’s most controversial pipeline will get built.

Meanwhile, that other highly controversial pipeline, Dakota Access, is now finished and being filled up with oil, thanks to the OK it got from the Trump administration on Feb. 6.


Let’s end on two slivers of good news:

Trump did not pull the U.S. out of the Paris Agreement, as some right-wingers have been calling for. The White House says a decision on that will be made by May 26, and maybe Ivanka Trump and Secretary of State Rex Tillerson can convince the president to stay in.

Trump did not ask the EPA to reverse its finding that greenhouse gas emissions endanger human health, which is the basis for the agency’s climate actions. The conservative Competitive Enterprise Institute has petitioned the agency to review that finding, hoping to overturn it. We don’t know how that will turn out, but in the meantime, the situation is making EPA Administrator Scott Pruitt very uncomfortable.

[…]