ScienceDaily Top Science Headlines -- for Sunday, June 26, 2011 ~ newtechnology

Minggu, 26 Juni 2011

ScienceDaily Top Science Headlines -- for Sunday, June 26, 2011

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ScienceDaily Top Science Headlines

for Sunday, June 26, 2011

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Modern fish communities live fast and die young (June 25, 2011) -- Fish communities in the 21st century live fast and die young. That's the main finding of a recent study that compared fish recently caught in coastal Kenya with the bones of fish contained in ancient Swahili refuse heaps. ... > full story

Chemist solves riddle of killer diseases (June 25, 2011) -- Using the tools of synthetic chemistry, a Copenhagen chemist has copied the endotoxin of bacteria causing diseases such as anthrax. This paves the way for new and efficient antibiotics. ... > full story

'Orca ears' inspire researchers to develop ultrasensitive undersea microphone (June 25, 2011) -- Researchers have developed a microphone that can be used at any depth in the ocean, even under crushing pressure, and is sensitive to a wide range of sounds, from a whisper in a library to an explosion of TNT. They modeled their device after the extraordinarily acute hearing of orcas. ... > full story

Interplay between cancer and aging in mice: Aging due to reduction in cell proliferation, not molecular damage, data suggest (June 25, 2011) -- Cancer risk increases with age, and scientists have long perceived a possible evolutionary tradeoff between longer lifespan and greater risk of cancer. Now, researchers have found direct evidence for that tradeoff in new data showing that expression of a key tumor suppressor protein induces premature aging in mice. ... > full story

Lowering the color of crystals in sugar factories (June 25, 2011) -- Like diamonds, sugar crystals ideally are very pure and low in color. Now studies have provided a better understanding of the source of undesirable color in factory sugar. ... > full story

Life expectancy for those with Type 1 diabetes improving (June 25, 2011) -- The life expectancy of people diagnosed with Type 1 diabetes between 1965 and 1980 dramatically increased, compared to people diagnosed with Type 1 diabetes between 1950 and 1964, according to a new study. ... > full story

'Quantum magic' without any 'spooky action at a distance' (June 25, 2011) -- Quantum mechanical entanglement is at the heart of the famous quantum teleportation experiment and was referred to by Albert Einstein as "spooky action at a distance". Researchers have used a system which does not allow for entanglement, and still found results which cannot be interpreted classically. ... > full story

Drug shows improved kidney function for type 2 diabetics (June 25, 2011) -- A new anti-inflammatory drug used by patients with type 2 diabetes improved their kidney function during a year-long study. ... > full story

Pollinators make critical contribution to healthy diets (June 25, 2011) -- Fruits and vegetables that provide the highest levels of vitamins and minerals to the human diet globally depend heavily on bees and other pollinating animals, according to a new study. ... > full story

Screen developed to identify new anticancer drug targets (June 25, 2011) -- Tumor suppressor genes normally control the growth of cells, but cancer can spring up when these genes are silenced by certain chemical reactions that modify chromosomes. Among the most common culprits responsible for inactivating these genes are histone deacetylases, a class of enzymes that remove acetyl groups from DNA-scaffolding proteins, and DNA methyltransferases, a family of enzymes that add methyl groups to DNA. ... > full story

Tracing cancer back to its source using computer dissection (June 25, 2011) -- A new computer-based system can distinguish between apparently similar secondary tumors and allow a cancer specialist to trace the metastases back to the site of the original cancer in the patient's body. ... > full story

Exposure to parental stress increases pollution-related lung damage in children (June 25, 2011) -- Psychosocial stress appears to enhance the lung-damaging effects of traffic-related pollution in children, according to new research. ... > full story

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