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News | Archive (10 July 2009) [Page 4]
Tremors on southern San Andreas Fault may mean increased earthquake risk
— 13:59 GMT | Geology and palaeontologyIncreases in mysterious underground tremors observed in several active earthquake fault zones around the world could signal a build-up of stress at locked segments of the faults and presumably an increased likelihood of a major quake, according to a new University of California, Berkeley, study…
Reduced diet thwarts ageing, disease in monkeys
— 13:54 GMT | HealthThe bottom-line message from a decades-long study of monkeys on a restricted diet is simple: Consuming fewer calories leads to a longer, healthier life…
Climate events let ice age mammoths pass far below the 40 N latitude
— 13:49 GMT | Geology and palaeontologyEurope's southern-most skeletal remains of Mammuthus primigenius were unearthed in a moor on the 37 N latitude. This is considerably south of the inhospitable habitat than one usually imagines for mammoths, and for the characteristically dry and cold climate that prevailed during the ice ages in the north of Eurasia…
Green industrial lubricant developed
— 13:44 GMT | ChemistryA team of researchers from the University of Huelva has developed an environmentally-friendly lubricating grease based on ricin oil and cellulose derivatives, according to the journal Green Chemistry. The new formula does not include any of the contaminating components used to manufacture traditional industrial lubricants…
Breast cancer hormone receptor status and risk of a second primary tumour
— 13:39 GMT | HealthWomen with hormone receptor (HR) negative first tumours have twice as much risk for developing a second breast cancer as women with HR-positive tumours, according to a study published online 9 July in the Journal of the National Cancer Institute…
World Bank debunks tiger farming benefits
— 13:34 GMT | EnvironmentExperimenting with tiger farming is too risky and could drive wild tigers further toward extinction, the World Bank told a key international wildlife trade meeting today…
Bonn physicists take first step towards super-fast search algorithms for quantum computers
— 13:29 GMT | PhysicsWhen you toss a coin, you either get heads or tails. By contrast, things are not so definite at the microcosmic level. An atomic 'coin' can display a superposition of heads and tails when it has been thrown. However, this only happens if you do not look at the coin. If you do, it decides in favour of one of the two states. If you leave the decision where a quantum particle should go to a coin like this, you get unusual effects. For the first time, physicists at the University of Bonn have demonstrated these effects in an experiment with caesium. Their research will be published in the next issue of the scientific journal Science…
New theory gives more precise estimates of large-scale biodiversity
— 13:24 GMT | BiologyAsk biologists how many species live in a pond, a grassland, a mountain range or on the entire planet, and the answers get increasingly vague. Hence the wide range of estimates for the planet's biodiversity, predicted to be between 2 million and 50 million species…
Experts call for local and regional control of sites for radioactive waste
— 13:19 GMT | EnvironmentThe withdrawal of Nevada's Yucca Mountain as a potential nuclear waste repository has reopened the debate over how and where to dispose of spent nuclear fuel and high-level nuclear waste…
Systems biology recommended as a clinical approach to cancer
— 13:14 GMT | HealthFour researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech and their colleagues at the Wake Forest University School of Medicine are advocating the use of systems biology as an innovative clinical approach to cancer. This approach could result in the development of improved diagnostic tools and treatment options, as well as potential new drug targets to help combat the many potentially fatal types of the disease…
Massive black hole smashes record
Hubble sees the graceful dance of two galaxies