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Slowing insect resistance to genetically modified crops
Genetically modified Bt crops are now widely used in the USA. These crops contain genes from bacteria that make them toxic to some insect pests. A central concern in regulating these genetically modified crops is the risk of insects evolving resistance to the Bt toxins. To reduce this risk, the "high dose/refuge" strategy is now being used, in... view more... (2002-10-30)
Study sheds light on social brain development
The capacity to figure out what others are thinking and what they mean is an ability unique to people that's central to our lives. view more (2009-07-15)
The awkward age: why are adolescents clumsy?
The stereotype of the 'awkward adolescent' has been recognised in most societies for a very long time. Now psychology researchers at the University of Strathclyde have come up with a new theory for why adolescents are clumsy. They are growing so quickly that they do not estimate correctly the use of their limbs, as well as having greater... view more... (1998-11-25)
New unifying theory of lasers advanced by physicists
Researchers at Yale and the Institute of Quantum Electronics at ETH Zurich have formulated a theory that, allows scientists to better understand and predict the properties of both conventional and non-conventional lasers, according to a recent article in Science. view more (2008-05-28)
Solving sudokus -- Coloring by numbers
Have you ever been trying to solve a Sudoku puzzle and been gripped by a sinking feeling that maybe you were stuck with a lemon" That maybe the puzzle you are struggling with actually has no solution at all" And, if you do find a solution, how can you be sure it's the only one" What if half an hour ago you had written 5 instead of... view more... (2007-06-11)
Study identifies 5 genetic themes key to keeping stem cells in a primitive, flexible state
For more than 25 years, stem cells have been defined based on what they can become: more of themselves, as well as multiple different specialized cell types. view more (2007-06-20)
MIT researcher sees big impact of little cracks
An MIT researcher's atom-by-atom simulation of cracks forming and spreading may help explain how materials fail in nanoscale devices, airplanes and even in the Earth itself during a quake. view more (2006-01-19)
Thinking about moving? Let brain waves do the walking
Using brain waves to control screen cursor movements, rather than moving a mouse by hand, seems like science fiction! Yet such direct control over our environment is an integral part of the development work being undertaken by participants in the Presencia project. view more (2004-12-02)
New discovery proves 'selfish gene' exists
A new discovery by a scientist from The University of Western Ontario provides conclusive evidence which supports decades-old evolutionary doctrines long accepted as fact. view more (2008-06-23)
Selection on genes underlying schizophrenia during human evolution
Several genes with strong associations to schizophrenia have evolved rapidly due to selection during human evolution. view more (2007-09-05)
Could Viagra cause nosebleeds?
If you have had a bad nosebleed recently, think back over the last few days. Have you been taking Viagra? If so, it is worth mentioning it to your doctor, say surgeons writing in the August Journal of the Royal Society of Medicine. Lucy Hicklin and colleagues at St George's Hospital in London describe two case histories where very severe... view more... (2002-07-29)
NIST engineers discover fundamental flaw in transistor noise theory
Chip manufacturers beware: There's a newfound flaw in our understanding of transistor noise, a phenomenon affecting the electronic on-off switch that makes computer circuits possible. view more (2009-05-22)
Research on how plants transport sugars could be of critical importance in era of global warming
How do many plants ship sugars from their leaves to flowers, roots, fruits and other parts of their structure? Using genetic engineering techniques, Cornell researchers have finally proven a long-standing theory of how this occurs. view more (2007-12-26)
Bad mitochondria may actually be good for you
Mice with a defective mitochondrial protein called MCLK1 produce elevated amounts of reactive oxygen when young; that should spell disaster, yet according to a study in this week's JBC these mice actually age at a slower rate and live longer than normal mice. view more (2009-07-23)
New theory for latest high-temperature superconductors
Physicists from Rice and Rutgers universities have published a new theory that explains some of the complex electronic and magnetic properties of iron "pnictides." In a series of startling discoveries this spring, pnictides were shown to superconduct at relatively high temperatures. The surprising discoveries created a great deal of... view more... (2008-08-14)
Grouping muscles to make controlling limbs easier
With more than 30 muscles in your arm, controlling movement -- whether it's grasping a glass or throwing a baseball -- is a complex task that potentially takes into account thousands of variables. view more (2009-04-21)
Researchers look to the brain to explain gender differences in sleep apnea
The neural pathways between two areas of the brain that control the tongue - and their interactions with each other - may hold the key as to why men suffer sleep apnea much more than women. view more (2006-04-04)
Scientists make first step towards 'holy grail' of crystallography
Scientists from Imperial College London and the University of Surrey have developed a new technique for crystallising proteins, a discovery which could help speed up the development of new medicines and treatments. view more (2006-01-09)
New schizophrenia theory
EMBARGOED UNTIL WEDNESDAY 7 AUGUST 2002 19:00 BST UK CONTACT - Claire Bowles, New Scientist Press Office, London: Tel: +44(0)20 7331 2751 or email claire.bowles@rbi.co.uk view more (2002-08-07)
Support for chromosomal theory of cancer found in cancers' development of drug resistance
Thirty-six years into the war on cancer, scientists have not only failed to come up with a cure, but most of the newer drugs suffer from the same problems as those available in the pre-war days: serious toxicity, limited effectiveness and eventual resistance. view more (2007-06-28)
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