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  • Breve historia de mi vida - Stephen Hawking August 19, 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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  • La teoría del todo - Stephen W. Hawking August 19, 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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  • Física General Esencial - Agustín Vázquez Sánchez August 19, 2017
    La nueva edición del ebook contiene ahora ocho temas completos de física y una sección de prácticas para realizar en casa. Se han corregido errores y agregado más ejemplos y ejercicios además de recursos multimedia en todos los capítulos.  Los ejemplos resueltos se presentan paso a paso a través de una solución algebraica con lo cual se evitan errores n […]
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  • Tricks Any Dog Can Do! - Susan Day August 19, 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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  • La física del futuro - Michio Kaku August 19, 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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  • Ágilmente - Estanislao Bachrach August 19, 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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  • El gran diseño - Stephen Hawking & Leonard Mlodinow August 19, 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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  • Sobre la teoría de la relatividad especial y general - Albert Einstein August 19, 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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  • Una mochila para el universo - Elsa Punset August 19, 2017
    ¿Cuánto debe durar un abrazo? ¿De qué sirve llorar? ¿Qué podemos hacer para cambiar nuestra suerte? ¿Tiene algún propósito el enamoramiento? ¿Y por qué es tan inevitable el desamor? ¿Cómo aprendemosa tener miedo? ¿A partir de qué edad empezamos a mentir? ¿Por qué sentimos envidia? ¿Cuántos amigos necesitamos para ser felices? ¿Podemos evitar estresarnos sin […]
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  • ¿Cómo pensar como Sherlock Holmes? - Maria Konnikova August 19, 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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Make Your Bed: Little Things That Can Change Your Life…And Maybe the World (Unabridged) – William H. Mcraven

Make Your Bed: Little Things That Can Change Your Life…And Maybe the World (Unabridged)
William H. Mcraven
Genre: Self Development
Price: $15.95
Publish Date: April 4, 2017 © ℗ © 2017 Hachette Audio […]

London statues get gas masks in fight against pollution

Air pollution is hard to see. But Greenpeace just made it visible. […]

Watch This Navy Admiral Destroy Ted Cruz’s Climate Myths

Watch This Navy Admiral Destroy Ted Cruz’s Climate Myths

Posted by on Tuesday, December 8, 2015

“I’m just a simple sailor, but it’s hard for me to see the pause on that chart.”

Ted Cruz is certain that global warming stopped 18 years ago. He said that repeatedly during a Senate hearing he chaired Tuesday afternoon devoted to examining what he described as “the science behind claims of global warming.” Satellite data, insisted Cruz, shows that “there has been no significant global warming for the past 18 years.”

Cruz—who is currently one of the GOP front-runners in Iowa—has made this claim before. Back in March, Kevin Trenberth, a leading climate scientist at the National Center for Atmospheric Research, told Climate Desk that Cruz’s theory is “a load of claptrap…absolute bunk.” And Ben Santer, a researcher at the Lawrence Livermore National Lab, blasted Cruz for “embrac[ing] ignorance with open arms.” The scorn of those leading scientists apparently wasn’t enough to get Cruz to change his tune. But perhaps what happened at Tuesday’s hearing will make a difference.

“I would note this chart…which shows for the last 18 years, that there has been no significant warming whatsoever,” said Cruz. He then asked Retired Rear Admiral David Titley—a meteorologist who previously served as the oceanographer of the Navy—about this so-called “pause in global temperatures.”

Titley’s response was fantastic, and you should watch the whole exchange above.

He started out by explaining that Cruz’s dataset begins just before the exceptionally warm El Niño year of 1998. Out of context, this makes recent warming appear less dramatic. As the UN’s Intergovernmental Panel on Climate Change points out [PDF], the warming trend looks much bigger if you pick 1995 or 1996 as the beginning of your dataset.

Titley, who is now a meteorology professor at Penn State, then pointed to his own chart—more than a century’s worth of temperature data that shows an unmistakable warming trend. “I’m just a simple sailor,” said Titley, “but it’s hard for me to see the pause on that chart. So I think the pause has kind of come and gone.”

Cruz then noted that his own chart focused on data from satellites (whereas Titley’s uses data from thermometers on the Earth’s surface). But Titley shot back that the satellite measurements—which are frequently touted by climate change deniers—have a number of significant problems. Indeed, as my colleague Tim McDonnell explained in March:

[T]here are a couple important caveats with satellite temperature data that Cruz would do well to make note of. One, Santer said, is that it has a “huge” degree of uncertainty (compared to land-based thermometers), so it should be approached with caution. That’s because satellites don’t make direct measurements of temperature but instead pick up microwaves from oxygen molecules in the atmosphere that vary with temperature.

Fluctuations in a satellite’s orbit and altitude and calibrations to its microwave-sensing equipment can all drastically affect its temperature readings. More importantly, satellites measure temperatures in the atmosphere, high above the surface. The chart above shows the lower troposphere, about six miles above the surface. This data is an important piece of the climate and weather system, but it’s only one piece. There are plenty of other signs that are far less equivocal, and perhaps even more relevant to those of us who live on the Earth’s surface: Land and ocean surface temperatures are increasing, sea ice is declining, glaciers are shrinking, oceans are rising, the list goes on.

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Climate Change Is the Biggest Threat in the Pacific, Says Top U.S. Admiral

Climate Change Is the Biggest Threat in the Pacific, Says Top U.S. Admiral

Posted by on Monday, March 11, 2013

Adm. Samuel J. Locklear III is no smelly hippie.

Commander, U.S. 7th Fleet/Flickr

North Korea just annulled the 1953 armistice ending its war with South Korea. China and Japan are locked in a dispute over an island chain. But the greatest long-term threat to the peace of East Asia and Pacific Ocean — the part of the world at the heart of the Obama administration’s aspirational defense strategy — is climate change, according to the admiral in charge of U.S. military operations there.

Adm. Samuel J. Locklear III is no smelly hippie. He became chief of U.S. Pacific Command last year after running the maritime portion of NATO’s 2011 war against Libyan dictator Muammar Gadhafi. To Locklear, the consequences of a warming planet are likely to “cripple the security environment, probably more likely than the other scenarios we all often talk about.”

“You have the real potential here in the not-too-distant future of nations displaced by rising sea level,” Locklear told Danger Room pal Bryan Bender of the Boston Globe over the weekend. “Certainly weather patterns are more severe than they have been in the past. We are on super typhoon 27 or 28 this year in the Western Pacific. The average is about 17.”

To keep reading, click here.

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