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April 20 2015

Scanning meteorites in 3D may flesh out solar system’s origin story


What’s in a rock? A few mineral deposits, maybe a ring of metal—and, possibly, a snippet of the Solar System’s origin story.

That’s the premise under which a team of researchers at the American Museum of Natural History in New York City is operating. By conducting three and two-dimensional image analyses of rocks brought to Earth from space, these scientists hope to demystify the elemental formations that birthed the planets we know today.

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April 20 2015

New evidence that dark matter could be self-interacting


A new study examined the galaxy cluster Abell 3827 and found indications that dark matter could be self-interacting. If confirmed, this would mark a significant step forward in the ongoing quest to understand the substance that helps structure the Universe.

The team used the MUSE instrument on the Very Large Telescope (VLT) along with images from the Hubble Space Telescope to map out the cluster. Because large masses such as galaxies and galaxy clusters bend the paths of light, they act as lenses, a process called (surprise!) gravitational lensing.

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April 20 2015

Colossal Ancient Galaxies Die from the Inside Out


The largest ancient galaxies stopped forming stars in their cores about three billion years after the Big Bang, with this end of star birth spreading from the inside out in so-called "dead" galaxies, scientists say.

A new survey of 22 elliptical galaxies (most of which were the same size or larger than our own Milky Way) revealed that the most massive galaxies from about 10 billion years ago have stopped forming stars in their centers while formation continued on the outskirts.

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April 20 2015

Rogue Microwave Ovens Are the Culprits Behind Mysterious Radio Signals


Let’s be clear about one thing: Reheating coffee in the microwave is always a poor life choice. But it becomes especially unwise if you’re using a microwave oven near a radio telescope and you’re so eager for that icky, burnt and wholly unsatisfying taste that you prematurely pop the coffee out before the oven’s timer goes off.

ZING!

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April 20 2015

Wedge of warm seawater known as 'the blob' blamed for marine havoc


It's called "the blob," and some blame it for the thousands of dead seabirds and emaciated sea lion pups that have washed ashore on California beaches since late last year.

Ever since an unusually warm mass of seawater began spreading along the Pacific Coast of North America a year ago — wreaking havoc on the marine food chain — scientists have struggled to explain its presence.

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April 19 2015

Engineers purify sea and wastewater in 2.5 minutes


A group of Mexican engineers from the Jhostoblak Corporate created technology to recover and purify seawater or wastewater from households, hotels, hospitals, commercial and industrial facilities, regardless of the content of pollutants and microorganisms in just 2.5 minutes.

The system, PQUA, works with a mixture of dissociating elements, capable of separating and removing all contaminants, as well as organic and inorganic pollutants. "The methodology is founded on molecularly dissociating water pollutants to recover the minerals necessary and sufficient in order for the human body to function properly nourished," the researchers explained.

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April 19 2015

Unbiased computer confirms media bias


Hillary Clinton’s announcement last weekend that she is officially running for president set pundits spinning on both sides of the aisle. Released via a video on Clinton’s campaign website, the announcement featured only 92 words from the candidate, which were variously quoted by media outlets of all stripes.

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April 19 2015

Unmotivated at school? Your genes could be to blame


A study of nearly 13,000 twins from six countries around the world has found that up to 50 percent of their differences in motivation at school could be down to the genes they inherited from their parents.

The team assumed that the twins wouldn’t differ much at all in their motivation at school, seeing as they shared the same environmental factors, such as parental attitude towards education, teachers, and facilities, and that these factors would have a greater influence on an individual’s school experience than genetics.

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April 19 2015

Your pain reliever may also be diminishing your joy


Researchers studying the commonly used pain reliever acetaminophen found it has a previously unknown side effect: It blunts positive emotions. In the study, participants who took acetaminophen reported less strong emotions when they saw both very pleasant and very disturbing photos, when compared to those who took placebos.

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April 19 2015

18th-Century Sex Toy Found In Ancient Latrine


Polish archaeologists digging an ancient latrine in the Baltic city of Gda&#324;sk have stumbled upon a 250-year-old sex toy.

The phallic object is "large, thick, made of leather filled with bristles, and has a wooden tip," the Regional Office for the Protection of Monuments in Gdansk said in a press release.

Dating from the second half of the 1700s, the artificial penis was found "preserved in excellent condition.".

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April 19 2015

Ancient Mummy found in cardboard box by cleaners in Peru


Workers cleaning in Peru discovered a mysterious mummy inside a cardboard box outside an archaeological site.

The mummy was found Tuesday morning in a fetal position, tied with a rope, in a cardboard box near trash outside an archeological site in the Pre-Incancity of Chan Chan.

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April 19 2015

Egypt archaeologists find ancient prayer space built by King Nectanebo I


Archaeologists excavating an ancient temple site in Cairo have discovered part of a chapel used by a pharaoh about 2,300 years ago, Egypt’s antiquities ministry said on Tuesday.

The discovery was made at a site in the ancient Pharaonic capital of Heliopolis, today a sprawl of working and middle class districts in Cairo.

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April 19 2015

Evidence of Pre-Columbus Trade Found in Alaska House


Bronze artifacts discovered in a 1,000-year-old house in Alaska suggest trade was occurring between East Asia and the New World centuries before the voyages of Columbus.

Archaeologists found the artifacts at the "Rising Whale" site at Cape Espenberg.

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April 19 2015

Is this a 300 million-year-old screw?


An object that appears to be a screw fixed inside a rock has captured the world's attention since it was found in the 1990s, but the debate rages on about what it really is.

Russian researchers believe the unusual object is 300 million years old, leading some people to claim that it may be proof of a highly advanced lost human civilisation, or even the work of aliens. However, experts suggest that there may be a more earthly answer – that the ‘screw’ is in fact a fossilised sea creature.

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April 19 2015

Tools found near Lake Turkana in Kenya are world's oldest


The world’s oldest tools – made by ancestors of modern humans some 3.3 million years ago – have been found in Kenya.

Stones had been deliberately “knapped” or flaked to make a sharp cutting edge, researchers said, according to Science magazine.


Alt: Archeologists believe they have found the oldest example of tool use

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April 19 2015

10,000-Year-Old Stone Tool Site Discovered in Suburban Seattle


Archaeologists surveying the waterways of suburban Seattle have made a discovery that’s likely the first of its kind in the region — an ancient tool-making site dating back more than 10,000 years.

The find includes thousands of stone flakes, an array of bifaces, scrapers, and hammerstones, plus several projectile points, some of which were fashioned in a style that experts describe as “completely new” for this region and period in its history.

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April 19 2015

Complex cognition shaped the Stone Age hand axe


The ability to make a Lower Paleolithic hand axe depends on complex cognitive control by the prefrontal cortex, including the 'central executive' function of working memory, a new study finds. The results knock another chip off theories that Stone Age hand axes are simple tools that don't involve higher-order executive function of the brain.

"For the first time, we've showed a relationship between the degree of prefrontal brain activity, the ability to make technological judgments, and success in actually making stone tools,".

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