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News | Archive (May 2008)
Phoenix's robotic arm camera sees possible ice
— 31 May 2008 | AstronomyScientists have discovered what may be ice that was exposed when soil was blown away as NASA's Phoenix spacecraft landed on Mars last Sunday, 25 May. The possible ice appears in an image the robotic arm camera took underneath the lander, near a footpad. 'We could very well be seeing rock, or we could be seeing exposed ice in the retrorocket blast zone,' said Ray Arvidson…
Scientists measure movement of nanomaterials in simple food chain
— 31 May 2008 | BiologyNew research shows that while engineered nanomaterials can be transferred up the lowest levels of the food chain from single celled organisms to higher multi-celled ones, the amount transferred was relatively low and there was no evidence of the nanomaterials concentrating in the higher level organisms…
Drug may prolong organ life in noncompliant kidney transplant patients
— 31 May 2008 | HealthNew research from the University of California, San Diego Department of Medicine, Division of Nephrology, shows that the anti-rejection drug sirolimus (brand name Rapamune) may help prolong the clinical benefit of transplanted kidneys and delay rejection, especially in patients who do not regularly take their prescribed medications (are 'non-compliant')…
New stem cell therapy may aid the repair of damaged brains
— 31 May 2008 | HealthAccording to some experts, newly born neuronal stem cells in the adult brain may provide a therapy for brain injury. But if these stem cells are to be utilised in this way, the process by which they are created, neurogenesis, must be regulated…
Research examines cold medication use in young children
— 31 May 2008 | HealthCough and cold medication use in young children has been linked to a significant number of adverse effects and several deaths, leading the FDA to recommend against their use for children less than two years old. Despite these concerns about safety and efficacy, there has been little research on patterns of cough and cold medication use in very young children…
Self-assembled viruses
— 31 May 2008 | HealthViruses are true experts at importing genetic material into the cells of an infected organism. This trait is now being exploited for gene therapy, in which genes are brought into the cells of a patient to treat genetic diseases or genetic defects…
Tumour suppressor genes speed up and slow down ageing in engineered mouse
— 31 May 2008 | HealthMayo Clinic researchers have developed an animal model that can test the function of two prominent tumour suppressor genes, p16 and p19, in the ageing process. Scientists knew that both these genes were expressed at increased levels as humans and mice age, but their role in the ageing process was not clear…
Researchers pinpoint gene mutations responsible for 10 percent of schizophrenia
— 31 May 2008 | HealthScans of the genome of patients with schizophrenia have revealed rare spontaneous copy number mutations that account for at least 10 percent of the non-familial cases of the disease. Researchers describe specific genetic mutations present in individuals who have schizophrenia, but not present in their biological parents who do not have the disease…
MIT develops a 'paper towel' for oil spills
— 31 May 2008 | EnvironmentA mat of nanowires with the touch and feel of paper could be an important new tool in the cleanup of oil and other organic pollutants, MIT researchers and colleagues report in the 30 May online issue of Nature Nanotechnology…
Researchers clear up Alzheimer's plaques in mice
— 31 May 2008 | HealthBlocking a common immune system response cleared up plaques associated with Alzheimer's Disease and enabled treated mice to recover some lost memory, Yale University researchers report Friday in the journal Nature Medicine…
Partial lunar eclipse today, 16 August
Scientists discover new bird species