Archive for the Nature Category

Democracy and the Media

By admin on September 19, 2009

Few people would disagree with the idea that broadcasting is one of most important leaders of the democratic process. European citizens are constantly encouraged to express their views and opinions on matters more complex, therefore, they have developed legitimate expectations for the output of broadcasting, including providing cultural resources necessary for full citizenship and modern.

From Iraq for the European elections of educational reforms and systems for financing pensions in the debate on climate change or nutrition, European citizens must be properly associated by the media. They need a wide coverage, accurate processing and editorial independence. Beyond news, people expect “knowledge-oriented programming. The very notions of democracy and well-being are based on this simple pattern, but essential for civic service. Everyone agrees on this point . But if we look impoverishmentof television programming and – in parallel to the diffi culties that national governments and regulatory authorities face in the media outlet broadcasting, we discover a paradox: a discrepancy between the stated objectives of Political and out of television available.

This entry is filed under Entertainment, Nature.

Numbers of the Animals

By admin on July 23, 2009

Scientists have long been skeptical about the claims of mathematical ability in animals, because the case of Hans wise is about 100 years. The horse, conducted in arithmetic and other intellectual challenge for the European public, in fact, just the Subconscious taking cues from his trainer. Recent examples, such as Alex the African gray parrot that could count to six, and he knows the value and disagreements, according to some, a special occasion or product packaging. Submit study, however, to identify new cases of counting skills in various species, suggesting that the math skills There are important in biology than previously thought. Under certain conditions, the monkeys may exceed the students to college. In a study published last summer in “Proceedings of the Royal Society B, Kevin C. Burns of Victoria University in Wellington, New Zealand and his colleagues have dug holes in fallen trees and various different amount of mealworms stored (beetle larvae) in holes, in full “amount of open wild Robins New Zealand Karori wildlife sanctuary.

Not only is the first hole robinsflock most mealworms, but Burns tricked them, removing some of the insects when they search, the Robins spent twice as long cleaning holes for missing mealworms. “They may have some inherent ability to distinguish between small numbers” as three and four, Burns thinks, but they also “use their number sense to everyday basis, and so by trial and error, they can train themselves to identify numbers to 12. “The scientists reared the chicks with five identical objects, and the Newborns imprinted items , consider them their parents.

This entry is filed under Nature, Science, Uncategorized.

Life on Earth

By admin on May 14, 2009

Each living cell, even the simplest bacterium is full of molecular contraptions that would be the envy of any Nanotechnologist. As they constantly agitate or spin or crawl around the cell, these machines to cut, paste and copy DNA molecules, nutrients shuttle around or turn them into energy, construction and repair of cell membranes, the mechanical relays , chemical or electrical messages to the list goes on and on, and add new discoveries all the time. It is virtually impossible to imagine how the machinery of a cell, which are mostly based catalysts of proteins called enzymes, could have formed spontaneously as the first life arose from nonliving matter around 3.7 billion ‘years.

Of course, under appropriate conditions, some building blocks of proteins, amino acids, in a form that is easy to simple chemicals such as Stanley L. Miller and Harold Yura University of Chicago, discovered in pioneering experiments in 1950. But going out on the proteins and enzymes, is another question. Proteins of cellular process involves removing the enzyme complex strands of the double helix of DNA, to collect information that is contained in the genes (proteins plan) and translate it into finished products.

This entry is filed under General, Home, Nature.