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News | Archive (14 September 2010)
Would a molecular horse trot, pace or glide across a surface?
— 11:37 GMT | TechnologyMolecular machines can be found everywhere in nature, for example, transporting proteins through cells and aiding metabolism. To develop artificial molecular machines, scientists need to understand the rules that govern mechanics at the molecular or nanometre scale (a nanometre is a billionth of a metre)…
UC Davis scientists find link between arthritis pain reliever and cardiovascular events
— 11:34 GMT | HealthA research team from the University of California, Davis and Peking University, China, has discovered a novel mechanism as to why the long-term, high-dosage use of the well-known arthritis pain medication, Vioxx, led to heart attacks and strokes. Their groundbreaking research may pave the way for a safer drug for millions of arthritis patients who suffer acute and chronic pain…
First-of-its-kind study shows supervised injection facilities can help people quit drugs
— 11:31 GMT | HealthA study led by researchers at the BC Centre for Excellence in HIV/AIDS (BC-CfE) at St. Paul's Hospital and the University of British Columbia has found that supervised injection facilities such as Vancouver's Insite connect clients with addiction treatment, which in turn resulted in greater likelihood of stopping injection drug use for at least six months…
Study identifies underlying dysfunction of seemingly non-critical heart condition
— 11:29 GMT | HealthRepairing small, seemingly benign holes in a child's heart may be more clinically important than previously thought, as dysfunction could be lurking out of sight. These are the findings from a study conducted by doctors and researchers at Nationwide Children's Hospital and the Ohio State University Medical Centre examining a subset of the most common form of congenital heart disease, ventricular septal defect. The recently published study appears in the Journal of Molecular and Cellular Cardiology, the official journal of the International Society for Heart Research…
Your body recycling itself - captured on film
— 11:25 GMT | HealthOur bodies recycle proteins, the fundamental building blocks that enable cell growth and development. Proteins are made up of a chain of amino acids, and scientists have known since the 1980s that first one in the chain determines the lifetime of a protein. McGill researchers have finally discovered how the cell identifies this first amino acid - and caught it on camera…
Children and adults see the world differently
— 11:22 GMT | HealthUnlike adults, children are able to keep information from their senses separate and may therefore perceive the visual world differently, according to research published today…
Male maturity shaped by early nutrition
— 11:19 GMT | HealthIt seems the old nature versus nurture debate can't be won. But a new Northwestern University study of men in the Philippines makes a strong case for nurture's role in male to female differences - suggesting that rapid weight gain in the first six months of life predicts earlier puberty for boys…
NASA sees Tropical Storm Julia born with strong thunderstorms and heavy rainfall
— 11:16 GMT | EnvironmentTropical Depression 12 was born in the far eastern Atlantic Ocean yesterday, Sept. 12 and two NASA satellites saw factors that indicated she would later strengthen into Tropical Storm Julia. Infrared imagery from NASA's Aqua satellite revealed strong convection in its centre that powered the storm into tropical storm status by 11 p.m. EDT. NASA's TRMM satellite indicated very heavy rainfall from that strong area of convection…
Igor now a Category 4 hurricane with icy cloud tops and heavy rainfall
— 11:13 GMT | EnvironmentNASA Satellites have noticed two distinct features in Igor that both indicate how powerful he has become, icy cold, high cloud tops and very heavy rainfall. NASA's Aqua and TRMM satellites have provided that insight to forecasters who are predicting Igor's next move as a powerful Category 4 Hurricane…
Study finds that sorghum bran has more antioxidants than blueberries, pomegranates
— 11:10 GMT | BiologyA new University of Georgia study has found that select varieties of sorghum bran have greater antioxidant and anti-inflammatory properties than well-known foods such as blueberries and pomegranates…
Colossal black holes common in the early Universe
Fossil fish bridges the evolutionary gap between animals of land and sea