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Today's Science News
Holidaymakers putting dolphins at risk
Tourists wanting to watch and swim with dolphins are now being urged to keep their distance in a bid to protect both the animals and the local communities whose livelihoods depend on them.Psychopaths' wired for rewards
Recent research suggests the brains of psychopaths appear to be wired to keep seeking a reward at any cost. It uncovers the role of the brain's reward system in psychopathy.Saving Peak District moorlands
Seventy-five per cent of the world's heather moorlands are in the UK. Several organisations in the Peak District National Park are trying to restore and conserve the moorland habitat.
Pharmacology
Costs and benefits of new chemotherapy drugs
New chemotherapy agents appear associated with improvements in survival time for patients with metastatic colorectal cancer but at substantial cost.New cancer drug screening technique
Scientists have developed a laboratory technique that more closely simulates the real-world conditions in which tumour cells mingle with the body's normal cells.Mechanism behind Ritalin leaning boost
Doctors treat millions of children with Ritalin every year to improve their ability to focus on tasks, but scientists now report that Ritalin also directly enhances the speed of learning.
Nanotechnology
Molecular LEGO kit to create nano-cubes
Scientists at the University of Glasgow have devised a molecular 'LEGO toolkit' which can be used to assemble a vast number of new and functional chemical compounds.Putting old calculations to the test
In 1908, the German physicist Gustav Mie came up with an elegant set of equations to describe the interaction of electromagnetic waves with a spherical metal particle.World-leading nanoscience institutes join forces
Two of the world's leading nanoscience institutes have entered into an agreement for research collaboration and educational exchange in nanoscience and nanotechnology.
Environment
Problem with carpet tiles solved
A new adhesive for use in carpet tiles which has been developed at the University of York could help dramatically reduce their impact on the environment.Catastrophic flooding may be more predictable
An interdisciplinary team of physicists and geologists has made a major step toward predicting where and how large floods occur on river deltas and alluvial fans.Study debunks myths about Amazon rain forests
A new NASA-funded study has concluded that Amazon rain forests were remarkably unaffected in the face of once-in-a-century drought in 2005, neither dying nor thriving, contrary to a previously published report and claims.
Biotechnology
Blocking cancer in its path
Researchers have discovered that a key cellular defect that disturbs the production of proteins in human cells can lead to cancer susceptibility.Brain tumour growth switch discovered
A recent study shows that a molecule called miR-451 coordinates the grow-or-go behaviour of tumour cells, and that the change is accompanied by slower cell proliferation and an increase in cell migration.Vitamin D and calcium interplay explored
A recent study underscores the importance of vitamin D and its ability to help the body utilise calcium and may explain why increasing calcium alone isn't always successful in dealing with this problem.
Genetics
Mapping of algae biofuel species
Using green algae to produce hydrocarbon oil for biofuel production is nothing new; nature has been doing so for hundreds of millions of years, according a scientist.Hydra genome sequenced
A recent paper describes how researchers sequenced the Hydra genome and continues to advance research on regeneration, stem cells and patterning.Eggshell of extinct giant bird unlocks key to ancient DNA
Ancient DNA from the fossil eggshell remains of the extinct elephant bird, has been successfully extracted thanks to help from a University of Sheffield expert - marking a world-first for archaeology and genetics.