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April 15 2015

Scientists create invisible objects in the microwave range without metamaterial cloaking


Physicists have managed to make homogenous cylindrical objects completely invisible in the microwave range. Contrary to the now prevailing notion of invisibility that relies on metamaterial coatings, the scientists achieved the result using a homogenous object without any additional coating layers. The method is based on a new understanding of electromagnetic wave scattering.

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April 15 2015

Scientists find 'dark matter' interacts with more forces than just gravity


Dark matter may not be so dark after all, after scientists witnessed the mysterious cosmic entity interacting with the universe around it an entirely new way.

Despite accounting for an estimated 85 per cent of matter in the Universe, dark matter has never been seen directly by any scientific instruments.


Alt: Wait a Minute, Dark Matter May Not be Dark After All

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April 15 2015

Moist explanation for Saturn's Great White Spots


Once every 20 or 30 years, a superstorm greater than Earth breaks out on Saturn and whips around the ringed planet in a violent spectacle that rages for months on end.

The storm can stretch hundreds of thousands of kilometres (miles) before fizzling out—some continue all the way around the planet until they meet their own tail.

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April 14 2015

Conditions right for liquid water on Mars


Mars may have regular deposits of liquid water on its surface according to new data from NASA's Curiosity rover.

The findings reported in the journal Nature Geoscience, indicate water vapour in the Martian atmosphere could form overnight frosts on the ground, which are turned liquid by salts in the Martian soil.

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April 14 2015

Comet springs surprise: Rosetta and Philae find Comet 67P not magnetised


Measurements made by Rosetta and Philae during the probe's multiple landings on Comet 67P/Churyumov-Gerasimenko show that the comet's nucleus is not magnetised.

Studying the properties of a comet can provide clues to the role that magnetic fields played in the formation of Solar System bodies almost 4.6 billion years ago. The infant Solar System was once nothing more than a swirling disc of gas and dust but, within a few million years, the Sun burst into life in the centre of this turbulent disc, with the leftover material going into forming the asteroids, comets, moons and planets.

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April 14 2015

Fishing for Space Junk: New Nets Capture Old Satellites


The European Space Agency has gone fishin' — for space junk.

Scientists hoping to remove old hardware from orbit around Earth have gone on a "fishing" trip unlike any other: Instead of lining riverbanks with fishing poles in hand, the scientists are free-falling through the air, shooting nets at a miniature model satellite.

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April 14 2015

Search for advanced civilizations beyond Earth finds nothing obvious in 100,000 galaxies


After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced civilizations in them. "The idea behind our research is that, if an entire galaxy had been colonized by an advanced spacefaring civilization, the energy produced by that civilization's technologies would be detectable in mid-infrared wavelengths—exactly the radiation that the WISE satellite was designed to detect for other astronomical purposes,".

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April 14 2015

Violent methane storms on Titan may solve dune direction mystery


Titan, Saturn's largest moon, is among the most Earthlike places in the solar system. As the Cassini-Huygens spacecraft examines Titan, its discoveries bring new mysteries. One of these is that the seemingly wind-created sand dunes spotted near the moon's equator point one direction, but the near-surface winds point another direction. Astronomers may have solved this mystery.

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April 14 2015

'Dwarf planet' Ceres spawns giant mystery (Update)


First classified a planet, then an asteroid and then a "dwarf planet" with some traits of a moon—the more scientists learn about Ceres, the weirder it becomes.

And new observations of the sphere of rock and ice circling our Sun between Mars and Jupiter have added to the mystery, researchers said Monday.

Astrophysicists have been looking to a $473-million (446-million-euro) mission to test theories that Ceres is a water-rich planetary "embryo"—a relic from the birth of the Solar System some 4.5 billion years ago.

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April 14 2015

Earth Was Once a Snowball Locked in 'Crazy' Deep Freeze


A new study shows Earth’s temperature plunged to Arctic temperatures -- in Florida, Egypt and other lands near the planet’s supposedly warmer equatorial regions during a radical climate shift known as “Snowball Earth.”

This finding is based on analysis of oxygen isotopes in rocks bathed in the meltwater of ancient glaciers and shows annual mean temperatures of minus-40 degrees Fahrenheit or colder during a planet-wide deep-freeze roughly 2.4 billion years ago.

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April 14 2015

Tails tell the tale of dinosaur sex


Researchers think they have come up with a way to tell fossils of male dinosaurs from those of females — at least for some small feathered species. The key differences between the sexes lie in bones near the base of the tail, the scientists reported on 31 March in Scientific Reports.

The team examined a pair of fossils unearthed in Mongolia in the mid-1990s and first described in 2001.

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April 14 2015

Why we have chins: Our chin comes from evolution, not mechanical forces


Why are modern humans the only species to have chins? Researchers say it's not due to mechanical forces, such as chewing, but may lie in our evolution: As our faces became smaller, it exposed the bony prominence at the lowest part of our heads.

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April 14 2015

Strange rituals or cannibalism? Neanderthals manipulated bodies of adults and children shortly after


Neanderthals from the French region of Poitou-Charentes cut, beat and fractured the bones of their recently deceased companions, as revealed by the fossil remains of two adults and a child found at the Marillac site. These manipulations have been observed at other Neanderthal sites, but scientists still do not know whether they did this for food or ceremony. Scientists have discovered a large quantity of bone remains of these hominids.

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April 13 2015

The Divine Spark: Psychedelics, Consciousness, and the Birth of Civilization, by Graham Hancock


This is taken from the introduction of The Divine Spark: A Graham Hancock Reader: Psychedelics, Consciousness, and the Birth of Civilization. See more at The Divine Spark Library Page

I've been very lucky; I feel I've been blessed; I've lived a blessed life. I'm grateful to the universe for giving me the chance to live this life.

But why am I here? Why are you here? Why are we all here on planet earth? Why are we conscious? What are our lives for?

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April 13 2015

Bright future for ‘dark sky’ sites as astrotourism grows in appeal


They are the darkness seekers – and they are growing in number.

On Black Fell, looking down on Northumberland’s beautiful Kielder Water reservoir, a group of people wait in a car park next to a strange wooden building with a minimalist design beamed down from the future.

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April 13 2015

Asking Advice Makes a Good Impression


What do you do when you cannot figure out how to finish a tricky task at work? Or you are lost on back roads? Or you are trying a new do-it-yourself project in your house and just cannot seem to make it look like the photograph that inspired you on Pinterest? In life when you are stuck, there are many solutions. For example, you could invest more time and effort by brainstorming alternative approaches, using trial and error or looking up tricks of the trade online.

But one thing most people know to avoid for sure: asking for advice.

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April 13 2015

The Science Of Why You Should Spend Your Money On Experiences, Not Things


Most people are in the pursuit of happiness. There are economists who think happiness is the best indicator of the health of a society. We know that money can make you happier, though after your basic needs are met, it doesn't make you that much happier. But one of the biggest questions is how to allocate our money, which is (for most of us) a limited resource.


Related: Sexy men make others take bigger risks with money

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