الأحد، 26 أغسطس 2012

ScienceDaily: Latest Science News

ScienceDaily: Latest Science News


Neil Armstrong, 1930-2012: U.S. astronaut was first man to walk on the moon

Posted: 25 Aug 2012 04:36 PM PDT

Neil Armstrong, the first man to walk on the moon during the 1969 Apollo 11 mission, has died, following complications resulting from cardiovascular procedures. He was 82. Armstrong's words "That is one small step for (a) man, one giant leap for mankind," spoken on July 20, 1969, as he became the first person ever to step onto another planetary body, instantly became a part of history.

Promising new drug target discovered for treatment and prevention of heart failure

Posted: 25 Aug 2012 12:57 PM PDT

A promising new drug target for the treatment and prevention of heart failure has been discovered.

Heart separation device improves three year outcomes in heart failure patients

Posted: 25 Aug 2012 12:57 PM PDT

A novel non-invasive device which separates healthy and damaged heart muscle and restores ventricle function improves 3 year outcomes in patients with ischemic heart failure, according to new research.

Electronic cigarettes do not damage the heart, study suggests

Posted: 25 Aug 2012 12:56 PM PDT

Smoking is the most preventable risk factor for cardiac and lung disease and is expected to cause 1 billion deaths during the 21st century. Electronic cigarettes have been marketed in recent years as a safer habit for smokers, with several millions of people already using them worldwide.

Passive smoking increases platelet activation in healthy people

Posted: 25 Aug 2012 12:56 PM PDT

It is well known that passive smoking is harmful for cardiovascular health, but the mechanism has not yet been discovered, researchers said. They investigated the effects of passive smoking on the levels of three parameters – mean platelet volume (MPV), carboxyhemoglobin (COHb) and lactate - in an effort to further understand this mechanism.

Adolescent smokers have artery damage

Posted: 25 Aug 2012 12:56 PM PDT

Early exposure to tobacco smoke is associated with various adverse health outcomes in children and adolescents, including low birth weight and impaired lung growth and function. Tobacco smoke is considered highly atherogenic in adults, but little is known about the impact of tobacco smoke exposure on cardiovascular health in adolescents. Children and adolescents are exposed to tobacco smoke through passive and active smoking.

Non-smokers benefit most from smoking ban

Posted: 25 Aug 2012 12:56 PM PDT

Many European countries have passed anti-smoking legislation which bans smoking from restaurants, bars and public buildings. After implementation of such a smoking ban on 1 January 2008 in the metropolitan area of Bremen in northwest Germany (800,000 inhabitants) a 16% decline in ST-elevation myocardial infarction (STEMI) was observed. STEMI is the severest form of myocardial infarction.

Hubble captures a collection of ancient stars

Posted: 25 Aug 2012 05:38 AM PDT

The NASA/ESA Hubble Space Telescope has produced a beautiful image of the globular cluster Messier 56 (also known as M 56 or NGC 6779), which is located about 33,000 light years away from Earth in the constellation of Lyra (The Lyre). The cluster is composed of a large number of stars, tightly bound to each other by gravity.

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