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  • Breve historia de mi vida - Stephen Hawking May 23, 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 May 23, 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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  • Inteligencia emocional para niños. Guía práctica para padres y educadores - Mireia Golobardes Subirana & Sandra Celeiro González May 23, 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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  • Tricks Any Dog Can Do! - Susan Day May 23, 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 May 23, 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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  • Sobre la teoría de la relatividad especial y general - Albert Einstein May 23, 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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  • El gran diseño - Stephen Hawking & Leonard Mlodinow May 23, 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 May 23, 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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  • Ágilmente - Estanislao Bachrach May 23, 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 cisne negro. Nueva edición ampliada y revisada - Nassim Nicholas Taleb May 23, 2017
    ¿Qué es un cisne negro? Para empezar, es un suceso improbable, sus consecuencias son importantes y todas las explicaciones que se puedan ofrecer a posteriori no tienen en cuenta el azar y sólo buscan encajar lo imprevisible en un modelo perfecto. El éxito de Google y You Tube, y hasta ell 11-S, son “cisnes negros”. Para Nassim Nicholas Taleb, los cisnes negr […]
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Community Choice Energy Will Help San Jose Chart A More Sustainable Future

All too often, calls for environmental sustainability resemble a doctor’s prescription, urging that we indulge less, sweat more, and take bad-tasting medicine. Fortunately, life sometimes gives us happier options. On May 16, the San Jose City Council voted to establish a Community Choice Energy (CCE) program, which will enable our residents and businesses to choose the source of their electricity. By becoming the largest U.S. city to do so, we will save consumers money, boost our renewable energy supply, and invest in energy efficiency projects. For decades, San Jose consumers have purchased their electricity from an investor-owned utility, Pacific Gas & Electric (PG&E). CCE programs offer our residents a choice, by providing an alternative source of wholesale energy purchases, while PG&E continues distributing the electricity through its own power lines, and handling all billing. Residents can then choose to purchase their electricity from the local CCE, or “opt out” to PG&E, after comparing rates, environmental benefits, rebates, and other criteria. […]

Chicago just posted all the climate data deleted by Trump’s EPA.

It’s not often you meet someone who doubles as a mathematician and a professional chef. But Hari Pulapaka, a tenured professor and four-time James Beard Award semifinalist, says his careers are a natural pair; they both demand problem-solving and a lot of creativity. Now, he’s tapping those skills to tackle a big issue in the food industry: waste.

Pulapaka was raised in a family of five kids, in working class Bombay, India. They ate modestly and didn’t throw much away — just banana peels and the occasional potato skin. But in American culinary school, almost half the food was tossed out, he says. “It blew my mind.”

Now at the helm of Cress restaurant in DeLand, Florida, Pulapaka is setting a better example. In the last four years, he and his wife have cut down a huge amount of food waste: about 16,000 pounds, he says. They’ve done it by engaging their community. Every week, a local farmer swings by to pick up Cress’s food scraps for pig and chicken feed, as well as compost. That same farmer then sells vegetables at the local farmer’s market, grown in — yup, you guessed it — Pulapaka’s compost. Pulapaka also recycles his cooking oil and uses every part of his vegetables and fish. Stuff that other restaurants throw out, like veggie tops, pop up in Cress’s pestos, chutneys, salsa verdes, sauces, and soups, he says.

Pulapaka sets an inspiring (and exhausting) example. “I can’t work at this pace forever,” he says. So what’s next? Maybe opening his own cooking school. You can bet his students won’t be throwing much away.


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

[…]

Sowing seeds, connecting to nature

How a community is restoring greenspace in Chicago’s Chinatown. […]

Let’s talk about meat reduction, instead of elimination

Omnivores face little social pressure to reduce the amount of meat they eat, even though this could help the planet. Perhaps it’s time to consider something other than an “all or nothing” approach to meat-eating. […]

‘Gasland’ families are still fighting the company that leaked methane into their water.

In Louisiana, more than 18 percent of households didn’t have access to healthy food in 2015 (the national average is 13 percent). In urban centers like New Orleans, there isn’t enough locally grown produce to feed everyone, especially residents.

Marianne Cufone provides a fresh take on locally grown food. In 2009, she built what she describes as a “recirculating farm” on a half-acre plot in the middle of New Orleans. Using bamboo harvested from right there in Louisiana, she set up floating rafts and towers to grow plants — tomatoes, cucumbers, lettuces, strawberries — in closely packed, in various arrangements around hand dug, rubber-lined fish ponds. Water cycles between the pond and the plants, so nutrients from the fish waste fertilize the plants and the plants filter the water — no dirt required!

Cufone says her farming system is both cost- and energy-efficient, too. Startup costs totaled about $6,000, mostly to install the solar panels and backup batteries that allowed the farm operations to run mostly off-grid. And farms like this could work almost anywhere, she said. “You can grow vertically, in almost any design you want. It doesn’t matter if the land is rocky or paved or even contaminated.”

Cufone’s New Orleans farm initially sold $15 food boxes through a Community Supported Agriculture program and provided produce to local stores and restaurants. In 2011, Cufone started the Recirculating Farms Coalition to promote the idea and secure better policies to help them flourish. That includes pushing for the U.S. Department of Agriculture to allow recirculating farm produce to be certified organic.


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

[…]

Who needs money when you can barter?

A big part of frugal living is figuring out ways to ‘circumvent using money to do our chores.’ Sounds like time to resuscitate the ancient practice of trading for goods and services! […]

Saving trees, saving family lands

“My mother was an urbanite who would sometimes get upset when my father and I talked about how pretty a tree was,” recalls Ebonie Alexander. “I remember her saying, ‘It’s a tree. They all look alike.’” […]