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  • El cisne negro. Nueva edición ampliada y revisada - Nassim Nicholas Taleb December 13, 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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  • La teoría del todo - Stephen W. Hawking December 13, 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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  • La física del futuro - Michio Kaku December 13, 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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  • Física General Esencial - Agustín Vázquez Sánchez December 13, 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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  • Ágilmente - Estanislao Bachrach December 13, 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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  • Sobre la teoría de la relatividad especial y general - Albert Einstein December 13, 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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  • Breve historia de mi vida - Stephen Hawking December 13, 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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  • EnCambio - Estanislao Bachrach December 13, 2017
    EnCambio te va a permitir alumbrar los procesos por los cuales te comportás de determinada manera con el fin de dejar atrás aquellos hábitos y conductas que ya no te sirven. El objetivo es que aprendas del potencial que tiene tu cerebro para cambiar y la capacidad que tenés vos para modificarlo. Este año cambio de trabajo, empiezo el gimnasio, bajo esos kili […]
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  • Tricks Any Dog Can Do! - Susan Day December 13, 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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  • Una mochila para el universo - Elsa Punset December 13, 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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With 2020 Census Looming, Worries About Fairness and Accuracy

“There’s a set of unprecedented challenges that collectively threaten to create a perfect storm in 2020,” Terri Ann Lowenthal, a consultant and a leading authority on the census, said in an interview. “If public confidence in the objectivity and quality of the 2020 census erodes, then another pillar of our representative democracy could be compromised.”John H […]

The Opioid Crisis: An Epidemic Years in the Making

SectionsSEARCHSkip to contentSkip to site indexSubscribeLog In SubscribeLog InAdvertisementU.S.The Opioid Crisis: An Epidemic Years in the MakingBy Maya Salam Oct. 26, 2017ImageExamining the body of a woman who died of an overdose in August.CreditTodd Heisler/The New York TimesThe current opioid epidemic is the deadliest drug crisis in American history. Overdoses, fueled by opioids, are the leading cause of death for Americans under 50 years old — killing roughly 64,000 people last year, more than guns or car accidents, and doing so at a pace faster than the H.I.V. epidemic did at its peak. President Trump declared the opioid crisis a “public health emergency” on Thursday. Administration officials expect the directive to quickly lead to crucial changes, which have the potential to help rural areas ravaged by opioid use, where doctors are often in short supply. The New York Times has been covering the outbreak — from when it started bubbling up in towns around the United States years ago to now, as it decimates communities and families. […]

Trump to Declare Opioid Crisis a ‘Public Health Emergency’

NYT

See the rest here: Trump to Declare Opioid Crisis a ‘Public Health Emergency’

Opinion: Who Invented ‘Zero’?

NYT

Original post: Opinion: Who Invented ‘Zero’?

Hurricane Maria Live Updates: Structural Damage at Guajataca Dam Prompts Evacuations in Puerto Rico

“Its been hard to see infrastructure deteriorate in Puerto Rico,” he said, “but it has been harder to meet citizens who have lost it all.”Continue reading the main storyAccording to the United States Army Corps of Engineers, Guajataca Dam is an earthen structure, 120 feet high and nearly 1,000 feet long. It was built in the mid-1920s by the Army Corps of Engineers, but is now owned by the power authority.It lies across the Guajataca River, forming a reservoir that can hold about 11 billion gallons of water that is used for drinking, irrigation and power generation.Sign up for the Morning Briefing for hurricane news and a daily look at what you need to know to begin your day. See how the storm traveled across Puerto Rico, and here is a guide on how to help victims.Aid is being sent to Puerto Rico.Officials in Puerto Rico were corralling incoming aid as rescue and recovery efforts continued after the storm, Mr. Rosselló said on MSNBC on Friday.“There’s still some rain and, of course, the soils are saturated, so it’s still not safe to go outside,” he said. “We’re still on emergency protocol and our main objective right now is making sure people are safe.”PhotoResidents lined up on Friday, seeking water from a spring in an area hit by Hurricane Maria in Cayey, P.R.Credit Carlos Garcia Rawlins/ReutersMr. Rosselló said that the island was getting generators, mattresses, food and water from the Federal Emergency Management Agency, and from others in the private sector.Officials have established a logistics center, which will receive all incoming aid and then distribute it to 12 zones throughout the island, he said.“The people of Puerto Rico are really being tremendous under these circumstances,” he said.Some elderly residents had been found in rural areas without food and necessary medication, Carmen Yulín Cruz, the mayor of San Juan, said on CNN on Friday.Newsletter Sign UpContinue reading the main storyThank you for subscribing.An error has occurred. Please try again later.You are already subscribed to this email.View all New York Times newsletters.“My biggest fear is that we don’t get to those that need it,” she said. […]

Hurricane Maria Strikes and Puerto Rico Goes Dark

Such was the sentiment across the island as the barrage of howling gusts and pounding rain did not cease from the early morning until evening.Francisco Ramirez, 23, weathered the storm inside the convenience store of a gas station in Guaynabo. […]

Eager to Create Blue-Collar Jobs, a Small Business Struggles

‘We Take the Crumbs’On a piece of plastic no bigger than a cigarette lighter rested great hopes.It was a Friday in late spring, and Ms. Quillen was about to join a conference call with one of the world’s largest parts suppliers. In the automotive food chain, big suppliers like Delphi and Johnson Controls constitute Tier One. They sell directly to the carmakers. D.E.P., which primarily sells to other suppliers, is in Tier Two.Continue reading the main story“Tier Ones are eating whole peanuts,” Ms. Quillen says mordantly. […]