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  • Breve historia de mi vida - Stephen Hawking March 30, 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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  • Crónicas de la extinción - Héctor T. Arita March 30, 2017
    Estas Crónicas de la extinción relatan la extinción de diversas especies animales. Comienzan con la historia de las tortugas de las islas Galápagos, y continúan en los episodios II y III con el recuento histórico de la manera en que la ciencia comprobó a través del registro fósil la extinción de las especies. La llamada extinción de los dinosaurios se detall […]
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  • La teoría del todo - Stephen W. Hawking March 30, 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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  • ¿Cómo pensar como Sherlock Holmes? - Maria Konnikova March 30, 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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  • Inteligencia emocional para niños. Guía práctica para padres y educadores - Mireia Golobardes Subirana & Sandra Celeiro González March 30, 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 March 30, 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 March 30, 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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  • Tricks Any Dog Can Do! - Susan Day March 30, 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 March 30, 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 March 30, 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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Inside the Cinematography of the Oscar-Nominated Movie Arrival

“Cautious, yet mystified, Louise takes another bold action: She steps for the boundary. The light from that mist on the other side of that glass illuminates her face, showing her wonderment.” In the surprise hit movie Arrival, which is nominated for eight Academy Awards, linguistics professor Louise Banks (played by Amy Adams), is tasked with interpreting the language of a race of visiting aliens. In a dark, cavernous chamber aboard their spaceship, Louise moves from the shadows to the light – a dance that’s mirrored throughout the movie as the character slowly comes to terms with the true lessons the arrival brings. “I think that journey from darkness to light is her journey,” says Bradford Young, Arrival’s cinematographer. Born in Louisville, Ky., Young has made his reputation with like A Most Violent Year and Selma, in which his mastery of available light helped convey the stories’ intimate natures. And that’s what Arrival’s director Denis Villeneuve was looking for when he embarked on his first science-fiction film. “I was looking for a cinematographer with a very precise sensibility towards natural light,” Villeneuve tells TIME. “I wanted the movie to have strong roots in realism. I wanted a cinematographer who would not be afraid to deal with intimacy. It’s a very specific sensibility that I felt in Bradford’s previous work.” Nowhere else is this play on light more apparent then aboard the spaceship, in the gloomy chamber where Louise spends much of her time. Villeneuve says that the set was specifically designed to be ominous and dark, a place where light is absorbed rather than reflected, a place that subliminally represents death. “The main character is in a relationship with death,” says Villeneuve. “The more she learns about the Heptapod [alien] culture, the more it changes her perception of life, death and time.” Jan ThijsA scene inside the spaceship’s chamber from the film “Arrival” by Paramount PicturesThat’s where Patrice Vermette, the film’s production designer, comes in. “With any movies I do, my process is very similar,” Vermette tells TIME. “I start by creating mood boards and collections of images that are only emotional reactions to the script. It could be colors, lights, marbles, rocks.” Then, he and the director work out where to go with that inspiration. In this case, both men were deeply influenced by the artist James Turrell’s Shallow Space Constructions, a series of artworks that use light and space to question the nature of human perception. “When I saw hundreds of people being hypnotized by James Turrell’s light, I had an epiphany,” says Villeneuve. The cavernous chamber was born out of that experience. It is designed like a dark temple where the film’s characters come to see the light – in this case, the aliens who remain semi-hidden behind a blinding rectangular white screen. Instead of using green screens, Vermette and his team actually built the ship’s chamber. The physical space was humbling and also helped the director and cinematographer set up their shots, Villeneuve days, but the chamber’s bright screen was a challenge for Young. “We had to be fearless,” he says. “We had to accept the fact that when Louise’s very far from the screen she would be quite dark, and when she’s right up on the screen, we would, for lack of a better term, overexpose her.” But that was the point, he adds. “This movie is about Louise’s personal enlightenment. So you just submit to what the light offers and let that tell the story. It gave us the opportunity to let the lighting of the film mirror the journey of the character.” That concept is replicated in two other locations throughout the movie. In Louise’s home, a large wall-to-wall window opens up to a blinding, yet hazy, lake, contrasting with the deliberate darkness of her living room. And inside the brutalist, fortress-like architecture of Louise’s university, she faces a rectangular white board that opens up to a television announcing the aliens’ arrival. Again, light and darkness are at play, informing Louise’s journey. “The structure of all these places work together,” says Young. “Those places make the spaceship that much more important and the spaceship makes those places that much more important. They are in a conversation with one another. They remind us of where Louise came from and where she’s headed.” Outside of the spaceship, Young was inspired by the work of photographer Martina Hoogland Ivanow to create a sense of dread and chaos in direct opposition to the Zen-like nature of Louise’s safe and sacred zones. In her book, Speedway, Ivanow creates gloomy, ominous images from mundane situations: a simple landscape becomes a Twin Peaks-like world where the unknown could be lurking in the dark; a motorcycle pilot is transformed into a shadowy, threatening figure. Martina Hoogland IvanowFrom the series “Speedway”In Arrival, this is in play when we enter the military’s compound set up near the spaceship. “The calmness of the ship’s chamber is in contrast with the interior of the tents,” says Vermette. “We realize that it’s the human beings that are disturbing the peace and we can’t wait to get back inside the spaceship.” Toward the light – the one controlled by the aliens and the one under Young’s spell. “A light that brings a lot of intimacy, sensuality, fragility and humanity to the project,” says Villeneuve. Olivier Laurent is the editor of TIME LightBox. Follow him on Twitter and Instagram @olivierclaurent Follow TIME LightBox on Facebook, Twitter and Instagram. […]

Here’s How to Watch a Full Moon, Lunar Eclipse and Comet Light Up the Sky on Friday

February blues got you down? This time of year can seem dreary when temperatures drop and the sun sets early. But this Friday, nature is giving everyone an excuse to get out of the house and appreciate its wonders. Friday will feature a full moon, a lunar eclipse and a green comet sighting — all on the same night, Weather.com reports. The festivities start early Friday evening with February’s full moon, called the Snow Moon. This nickname comes from Native Americans who used the moons as a way to track the seasons, according to the Old Farmer’s Almanac. Instead of seeing a traditional round circle lighting up the sky, people will observe a penumbral eclipse, when the moon, sun and Earth align to create a subtle shadow, according to EarthSky. Penumbral eclipses can be difficult to see because they are less dramatic than a total or partial eclipse. But this one will likely appear as a dark shading across the moon’s surface, EarthSky reports. People who live on the east coast will first be able to see the Earth’s shadow around 5:32 p.m., according to Space.com. The moon will grow dimmer over the next few hours and the eclipse will peak at 7:43 p.m. EST. It should take another two hours for the moon to get back to normal, and by 9:55 p.m. you can expect the moon to be completely outside Earth’s shadow. In other parts of North America and the western part of South America, the eclipse will reach its peak before the full moon has risen. In East Asia, observers may miss part of the eclipse because the eclipse will peak while the moon is setting there. But regardless of where you watch from, the middle of the eclipse time will be the most interesting, according to Sky & Telescope magazine. Anyone who wants to stay up extra late can catch the third event on Friday, which consists of Comet 45P/Honda-Mrkos-Pajdušáková — also known as the New Year comet — streaking by the Earth. It will be visible just before dawn on Saturday, according to Weather.com, but you’ll likely want binoculars to get a good look. The comet, which was discovered in 1948, will be the closest it’s been to Earth since 2011. But never fear, if you miss out this time or just want more space sights, there will be another comet known as C/2015 ER61 visible in April through mid-May, according to Sky & Telescope. […]

16 dazzling facts about hummingbirds

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This magic wand kills weeds with high energy light

NatureZap offers a quick effective nontoxic solution to getting rid of unwanted plants around the home. […]

Ugly fruits and vegetables have hidden health benefits

Don’t judge a fruit by its surface! Those not-so-pretty scabs and bumps are actually battle wounds and the sign of a stronger, better, more antioxidant-packed food. […]

Inside the Gigantic Operation to Meet Astronauts Coming Home

TIme

Original post: Inside the Gigantic Operation to Meet Astronauts Coming Home

This Is First Face Astronauts Will See After a Year in Space

In the event you ever find yourself returning to Earth aboard a Soyuz spacecraft, there are surely a lot of faces you’ll want to see when you land. The first one you will see, however, will belong to Sergei Gregorievich Malikhov. And you should be very, very glad about that. Malikhov, 60, is head of search and rescue operations for Energia RSC—the Russian company that builds both the Soyuz spacecraft and the Soyuz rocket—and is the incongruously jolly, incongruously grandfatherly man to whom a SWAT team-like force of helicopter pilots, all-terrain vehicle drivers and rescue workers are answerable on reentry days in the Kazakh steppe. If things go wrong or if things go right, it’s all on Malikhov’s watch—and on Malikhov’s head. That will be the case again on the morning of March 3, when astronaut Scott Kelly and cosmonaut Misha Kornienko return from a year in space, along with Sergey Volkov, who has been up for six months. Whatever Kris Kringle temperament Malikhov projects is belied by his background. For 15 years, he taught parachute jumping to cosmonauts at Russia’s Gagarin Cosmonaut Training Center, making 7,000 lifetime jumps himself—sometimes as many as ten a day. It was five years ago that he came to Energia and he has so far presided over 20 landings—none of them easy, all of them harrowing. Yet he answers all questions about the challenges of his work with a shrug and the Russian equivalent of “we do the f***ing job.” As to his success record so far? “To my knowledge,” Malikhov said with a smile in a conversation with TIME, “we haven’t yet forgotten about a stranded astronaut.” For this landing, he will have to work a little harder than usual keeping that perfect record intact. The steppe is deep in snow at the moment, and while temperatures have generally been above freezing in the city of Karaganda, where representatives from NASA and Roscosmos—the Russian Space agency—muster before a landing, far out in the flats the thermometer easily drops below zero, with fierce winds making the cold much worse. Planning for a landing at any time, but especially at this time of year, is a very long process. It begins with Mission Control centers both in Houston and near Moscow sending regular updates on landing trajectories for a full 30 days before reentry. When there are still ten days to go, Malikhov and his team hit the ground in Kazakhstan, scouting all possible landing sites in a triangular footprint framed by the cities of Karaganda, Arkalyk and Zhezkazgan. There are 13 possible landing sites, or “districts,” within that target region, along with a handful of ballistic landing sites, so-called because they are the emergency targets used if a reentry goes wrong and the ship reenters at a steeper angle than usual. Malikhov’s ground crew rules out districts that are at that moment unsuitable—too snowed-in at this time of year or perhaps flooded out entirely in the spring. All other things being equal, they will select a more northerly district over a more southerly one, since ballistic trajectories generally land farther south still, which may unavoidably cause them to cross the borders of neighboring Uzbekistan or Kyrgyzstan. For the Kelly-Kornienko-Volkov landing, a comfortably northern district 6 was chosen. Landing day typically sees a fleet of 10 helicopters, at least as many all terrain vehicles and still more snowmobiles converging on the target site. For this landing, that may change dramatically—and not for the better. Much of the region has been covered by low clouds and socked in by fog for the past two days and the forecast for improvement over the next four days is not good. That means the helicopters may be grounded, the number of surface vehicles increased, and the entire exercise will become harder for rescuers and the returning crew alike. A one way trip by helicopter between one of the three nearby cities and a landing site by helicopter typically takes two hours. By ground it takes fourteen. Whatever the makeup of the rescue fleet, the actual descent and recovery will be an exercise in real-time triangulation, with the spacecraft continually beaming down data about its trajectory as it descends and the rescue vehicles tacking this way or that in response. All that can get turned upside down when the spacecraft has fallen to an altitude of just 6.6 miles (10.7 km) and the parachutes open. At that point, the bullet-like plunge turns into an aerial drift, with a margin of error of about 9 miles (15 km) in any direction. When the Soyuz does land and the rescuers arrive, they sometimes must roll the roughly spherical spacecraft to get its hatch in the proper position. They then sweep away any debris or loose bits of heat shield remaining from the 3,000° F (1,650° C) heat of reentry. Finally, the hatch is opened and Malikhov peers inside. “The cosmonauts say that the smell of the air is the thing they notice most,” he says. “Inside the Soyuz, I notice the smell of the space station.” Before reentering, astronauts and cosmonauts get to request some item they want when they hit the ground. Fresh fruit and vegetables rank high, with one cosmonaut asking for a watermelon. Three years ago, in deep snow conditions, a cosmonaut said what he really to see was green grass. So Malikhov made sure someone from his team bought two meters of astroturf that were laid out in front of the spacecraft. Wish granted. Those small grace notes are very welcome and, especially to Kelly and Kornienko who have been gone for a year, will be very important. But everyone involved in any landing knows they’re luxuries too. Before any happy welcoming rituals can be performed, Malikhov and his rescue crew must once again stick the landing. (TIME has been following the year-long mission of cosmonaut Mikhale Kornienko and American astronaut Scott Kelly in a series of documentary films that can be watched here.) […]