Wednesday, July 21, 2010

Science News – Newsletter for July 21, 2010

Wednesday, July 21, 2010


Iran says its nuclear scientist brought back ‘valuable’ information on the CIA

Iran says scientist provided information on CIA

TEHRAN, Iran – A semiofficial news agency is quoting an “informed source” as claiming that an Iranian nuclear scientist who returned home last week from the United States provided “very valuable” information” about the Central Intelligence Agency, the CIA.
American authorities have claimed that Shahram Amiri willingly defected to the … Read this article on Gaea Times at : Iran says its nuclear scientist brought back ‘valuable’ information on the CIA.

Dead Sea scrolls’ parchment was made locally

WASHINGTON – Proton beam analysis of a Dead Sea scroll reveals its chemistry matches that of the water in the area where the ancient document was found, suggesting its parchment was manufactured locally.

New research carried out at the labs of the Italian National Institute of Nuclear Physics (INFN) in Catania, Sicily, suggests that the 28-foot-long … Read the original article on Gaea Times at : Dead Sea scrolls’ parchment was made locally.

I-Dosing: ‘digitally high’ from downloaded music

LONDON – They put on their headphones, drape a hood over their head and drift off into the world of ‘digital highs’.

Videos posted on YouTube show a young girl freaking out and leaping up in fear, a teenager shaking violently and a young boy in extreme distress.
This is the world of ‘I-Dosing’, the new …. Read the original article  : I-Dosing: ‘digitally high’ from downloaded music.

Black box inventor dies

SYDNEY – David Warren, the Australian who invented the black box flight-data recorder 54 years ago, has died at the age of 85, Defence Force officials said Wednesday.

He started working on the idea of recording pilots’ voices and instrument readings after investigating the crash of a Comet in 1953. The Comet was the first commercial … Original source on Gaea Times at : Black box inventor dies.

Why the world looks dull and gray when you are blue

LONDON – The whole world seems to be dull and gloomy if you are depressed-this is because the ability to perceive contrast is impaired, say experts.
The researchers ran an electrode along one eye in each of 40 people with depression, and 40 people without.

The electrodes measured activity in the nerves connecting photoreceptors – which detect … Read the original article on Gaea Times at : Why the world looks dull and gray when you are blue.

Inside the mind of a suicide bomber

LONDON – Ariel Merari is a psychologist who has spoken to suicide bombers and those who organise their attacks, and found they are very different kinds of people.

According to Merari, these Palestinian bombers have certain personality characteristics that make them more likely to be recruited to or to volunteer for suicide-bombing missions.

He elaborates in an … Read this article on Gaea Times at : Inside the mind of a suicide bomber.

Overweight, obese mums ‘at higher risk of premature births’

LONDON – Being overweight and obese could up your risk of giving birth to a premature baby, says a new study.

The babies could also suffer from numerous health problems due to preterm birth.

Dr. Sarah McDonald, associate professor in the Michael G. DeGroote School of Medicine’s Department of Obstetrics and Gynaecology found that overweight or obese … Read more >>.

Rapid growth in adolescence leads to fewer offspring: Study

WASHINGTON – A study on guppies – fresh water fishes – has revealed that female guppies that grew rapidly as juveniles produced fewer offspring than usual.

“When food levels increase after a period of low availability, many organisms – including humans – undergo what is called ‘catch-up’ or compensatory growth,” explained Sonya Auer, the first author …. Read the original article  : Rapid growth in adolescence leads to fewer offspring: Study.

Did Michelangelo paint human brain stem in God?

WASHINGTON – Could it be that Michelangelo hid an anatomy lesson in the Sistine Chapel frescoes painted by him? The answerer is yes, if new research is to be believed.

The master painter-sculptor concealed an image of the human brainstem in a panel showing God at the beginning of Creation, according to an article in the … Read the original article on Gaea Times at : Did Michelangelo paint human brain stem in God?.

Engineered stem cells may improve cardiac function after heart attack

WASHINGTON – Genetically engineered stem cells have been shown to reduce organ damage and improve cardiac function after a heart attack, according to a new animal study.

The study was led by Matthias Siepe, assistant professor and staff surgeon at the Department of Cardiovascular Surgery, Medical University Center in Freiburg, Germany and his colleagues.

The team aimed …. Source article on Gaea Times at  : Engineered stem cells may improve cardiac function after heart attack.

Blood spatter 3D model to make crime scene investigation easier

LONDON – Reconstructing the course of events leading up to a murder could become easier and more accurate, thanks to a new system for making a high-resolution 3D map of a crime scene.

Scientists have developed a system that more realistically reconstructs the ballistics of blood droplets at a crime scene.

Bloodstain pattern analysis involves studying blood …. Original article  : Blood spatter 3D model to make crime scene investigation easier.

Beach umbrellas fail to block 34pc of UV rays

WASHINGTON – Researchers from the University of Valencia (UV) have found that 34 percent of ultraviolet radiation filters through under beach umbrellas.

The researchers also claimed that umbrellas intercept the full direct flow that comes from the Sun, but not the diffused radiation that penetrates through from the sides.

“We have proven that irradiance (radiation incidence … Read the original article on Gaea Times at : Beach umbrellas fail to block 34pc of UV rays.

How people from different cultures react to anger during negotiations

WASHINGTON – Getting angry while negotiating with European Americans might just get you your way, but the same is not true with East Asians, according to a study.

The study has claimed that cultural reactions to anger expression can affect negotiation outcomes.

Hajo Adam, of INSEAD in France, coauthored the new study with William Maddux of INSEAD …. Source  : Gaea News Network.

How music training boosts learning

LONDON – Musical training prompts neural connections in the brain, which in turn prime people for other aspects of human communication like language, speech, memory, attention and even vocal emotion, revealed a scientific review.

The data-driven review by Northwestern University researchers pulls together converging research from the scientific literature linking musical training to learning that spills …. Read the original article  : here.

2000-year-old wooden ‘Stonehenge’ discovered in Ohio

WASHINGTON – Archaeologists are slowly uncovering evidence of a 2,000-year-old ceremonial site that resembles a wooden ‘Stonehenge’ near Cincinnati, Ohio.

Laid out in a peculiar pattern of concentric, but incomplete, rings, the site is about 200 feet (57 meters) wide.

The site, formally called Moorehead Circle but nicknamed ‘Woodhenge’, now contains only rock-filled postholes remain, surrounded by … Read : 2000-year-old wooden ‘Stonehenge’ discovered in Ohio.

Healthy family relationships ‘can lower teens’ risk for drug involvement’

WASHINGTON – Positive family relationships and religious affiliation can lower teenagers’ risk for drug involvement, says a new study.

“Healthy relationships protect adolescents against exposure to violence and negative social environments, and therefore, may lower their risk for drug involvement,” said ManSoo Yu, assistant professor in the MU School of Social Work and Public Health Program.

“Practitioners … Read more : Healthy family relationships ‘can lower teens’ risk for drug involvement’.

Genes that caused Silk Route disease identified

LONDON – Scientists have identified key genes that caused a severe inflammatory disease that has spread along the old silk trading routes from the Far East to the edge of Europe.

University of Manchester researchers have revealed some of the genetic mutations that lead to Behcet’s disease, also called the Silk Route disease.

Behcet’s disease makes the … Read more >>.

How human laughter is different from that of apes

LONDON – Scientists have unveiled how human laughter is different from that of apes.

Human laughter, as we know, is unique and different than other animals-this is down to our unique status as an ape that has learned to stand on its own two feet.

“Bipedalism was the breakthrough,” New Scientist quoted Robert Provine, the doyen [..] Read the original article: here.

Male foetuses ignore stressed mums – unlike sensitive females

LONDON – Scientists at the University of Adelaide in South Australia have discovered that male foetuses ignore their mothers’ response to stress – unlike females, which are very sensitive to it.

According to the researchers, the finding could lead to better treatments for male foetuses at risk of premature birth.

Vicki Clifton and colleagues at the …. Source article on Gaea Times at  : Male foetuses ignore stressed mums – unlike sensitive females.

More rains forecast for Delhi Wednesday

NEW DELHI – A day after heavy rains lashed Delhi causing waterlogging and traffic snarls, commuters had an easier time getting to work Wednesday though traffic snarls were reported from some areas. The weather office predicted more showers during the day.

Delhi has received 28.4 mm of rainfall since Tuesday, taking the total so far …. Read the original article  : More rains forecast for Delhi Wednesday.

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