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Tags (9025) : society
January-October 2014 temperatures highest on record
29/11/2014
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CIENCIA ON LINE
The global average temperature over land and ocean surfaces for January to October 2014 was the highest on record, according to the U.S. National Oceanic and Atmospheric Administration. It said October was the hottest since records began in 1880. Fuente :...
New substance overcomes treatment-restistance in leukemia
28/11/2014
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CIENCIA ON LINE
Haematologists have developed a new active substance that effectively combats the most aggressive forms of Philadelphia chromosome-positive leukemia. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/O...
Emergence of modern sea ice in Arctic Ocean, 2.6 million years ago
28/11/2014
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CIENCIA ON LINE
The extent of sea ice cover in Arctic was much less than it is today between four and five million years ago. The maximum winter extent did not reaching its current location until around 2.6 million years ago. "We have not seen an ice free period in the Arctic Ocean for 2,6 million years....
New material makes water and oil roll off
28/11/2014
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CIENCIA ON LINE
Car finish, to which no dirt particles adhere, house fronts, from which graffiti paints roll off, and shoes that remain clean on muddy paths – the material “fluoropore” might make all this possible. Both water and oil droplets roll off this new class of highly fluorinated super-repellent...
Love at first smell: Can birds choose mates by their odors?
28/11/2014
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CIENCIA ON LINE
Mate choice is often the most important decision in the lives of humans and animals. Scientists have found the first evidence that birds may choose their mate through odor. The researchers compared the preen gland chemicals of black-legged kittiwakes with genes that play a role in immunity....
Single-atom gold catalysts may offer path to low-cost production of fuel and chemicals
28/11/2014
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CIENCIA ON LINE
New catalysts designed and investigated by engineering researchers have potential to greatly reduce processing costs in future fuels like hydrogen. The catalysts are composed of a unique structure of single gold atoms bound by oxygen to sodium or potassium atoms, supported on non-reactive silica...
Fragile X study offers hope of new autism treatment
27/11/2014
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CIENCIA ON LINE
People affected by a common inherited form of autism could be helped by a drug that is being tested as a treatment for cancer, according to researchers. Fragile X Syndrome is the most common genetic cause of autism spectrum disorders. It affects around 1 in 4,000 boys and 1 in 6,000 girls....
Mindfulness treatment as effective as CBT for depression, anxiety
27/11/2014
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CIENCIA ON LINE
Group mindfulness treatment is as effective as individual cognitive behavioral therapy (CBT) in patients with depression and anxiety, according to a new study. This is the first randomized study to compare group mindfulness treatment and individual cognitive behavioral therapy in patients with...
Ancient dental plaque: A 'Whey' into our milk drinking past?
27/11/2014
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CIENCIA ON LINE
We drink milk because it is good for us, but we rarely stop to think "Why?" Archaeologists and geneticists have been puzzling this question since it was revealed that the mutations which enable adults to drink milk are under the strongest selection of any in the human genome. Fuente :...
New research supporting stroke rehabilitation
27/11/2014
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CIENCIA ON LINE
New research could help improve stroke patients' rehabilitation, experts say. The research may provide useful applications for the care of stroke patients who have restricted use of their upper limbs. If stroke patients practice the techniques recommended by the study, it could potentially help...
Significantly increased risk of stillbirth in males, study shows
27/11/2014
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CIENCIA ON LINE
Boys are more likely to be stillborn than girls, a large-scale study has found. The study reviewed more than 30 million births globally, and found that the risk of stillbirth is about ten percent higher in boys. This equates to a loss of around 100,000 additional male babies per year. Fuente :...
Matched 'hybrid' systems may hold key to wider use of renewable energy
26/11/2014
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CIENCIA ON LINE
The use of renewable energy in the United States could take a significant leap forward with improved storage technologies or more efforts to 'match' different forms of alternative energy systems that provide an overall more steady flow of electricity, researchers say in a new report. Fuente :...
Post-medieval Polish buried as potential 'vampires' were likely local
26/11/2014
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CIENCIA ON LINE
Potential 'vampires' buried in northwestern Poland with sickles and rocks across their bodies were likely local and not immigrants to the region. In northwestern Poland, apotropaic funerary rites--a traditional practice intended to prevent evil--occurred throughout the 17th-18th c. AD. Fuente :...
DNA survives critical entry into Earth's atmosphere
26/11/2014
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CIENCIA ON LINE
The genetic material DNA can survive a flight through space and re-entry into Earth's atmosphere -- and still pass on genetic information. Scientists obtained these astonishing results during an experiment on the TEXUS-49 research rocket mission. Fuente :...
Invisible shield found thousands of miles above Earth blocks 'killer electrons'
26/11/2014
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CIENCIA ON LINE
An invisible shield has been discovered some 7,200 miles above Earth that blocks so-called 'killer electrons,' which whip around the planet at near-light speed and have been known to threaten astronauts, fry satellites and degrade space systems during intense solar storms. Fuente :...
Treatment breakthrough for advanced bladder cancer
26/11/2014
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CIENCIA ON LINE
A major breakthrough in developing a new therapy for advanced bladder cancer -- for which there have been no major treatment advances in the past 30 years -- has been made by scientists. The study examined an antibody (MPDL3280A) which blocks a protein (PD-L1) thought to help cancer cells evade...
Researchers develop efficient method to produce nanoporous metals
25/11/2014
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CIENCIA ON LINE
Nanoporous metals -- foam-like materials that have some degree of air vacuum in their structure -- have a wide range of applications because of their superior qualities. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/x...
Converting Human-Generated Waste Into Fuel in Space
25/11/2014
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CIENCIA ON LINE
Who would've known human waste could be used to propel spacecraft from the moon back to Earth? Researchers responded to the call from NASA and came up with a process to convert waste to methane and propel spacecraft to Earth. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/8...
Entrepreneurs to venture capitalists: Don’t be a Scrooge
25/11/2014
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CIENCIA ON LINE
A recently published study of more than 550 decisions and responses from 144 experienced entrepreneurs reveals that “knowledge of explicit ethical or unethical behavior (by venture capitalists) profoundly shapes the entrepreneurs’ willingness to partner.” Fuente :...
Endangered species success: Idaho salmon regaining fitness advantage
25/11/2014
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CIENCIA ON LINE
Once on the brink of extinction with only a few fish remaining, Snake River sockeye salmon are regaining the fitness they need to rebuild wild populations. A new analysis shows that naturally spawned offspring of fish saved by a hatchery program are now surviving to return at increasing rate --...
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