Student science contest participation influences study, career choices, alumni say
...ty (69%) are post-secondary students while 27% are still in high school. Among post-secondary students, 70% are seeking degrees or diplomas in natural or health sciences. Aventis Pasteur Limited co-funds the national competition with Government of Canada's Sector Council Program, the National Resea...Climate change plus human pressure caused large mammal extinctions in late Pleistocene
...tions, Barnosky said. The case in South America is still muddled, he noted, but there, too, human incursions combined with climate change possibly coincided with the departure of large mammals, such as a variety of armadillos and llama- and camel-like animals, in a case similar to that in North America. In...International study findings link acne-like rash to effectiveness of new targeted cancer treatment
...east two prior chemotherapy regimens, although all still had a reasonable quality of life, either being fully active or at least still able to carry out light work. Cetuximab, also known as Erbitux, is a new targeted treatment a mono...Belgian researchers explore revolutionary approach to angiogenesis
... in mice and that it was early days as the concept still had to be proved in patients, the principle of keeping tumour arterioles open to boost responses to treatment should work in the many tumour types where ET-1 was expressed....Scientists sequence genome of kind of organism central to biosphere's carbon cycle
...exciting to imagine the novelty in the oceans that still await our discovery." Other co-authors were Winnie Lau, Micaela Schnitzler Parker and Tatiana Rynearson, University of Washington; John Berges, University of Wisconsin-Milwaukee; Chris Bowler, Anton Montsant and Assaf Vardi, Centre National de la Rec...New study indicates arsenic could be suitable as first-line treatment in type of leukaemia
...e Marrow Transplant Center. 88.5% of patients were still alive with a mean survival time to date of nearly 34 months. Of 11 patients who relapsed, eight went back into remission after a third cycle of treatment. Six patients in the trial have died. APL accounts for around 10% of acute myeloid leukaemias a...Alzheimer's disease is not accelerated aging
...ve function and declines with age. Researchers are still unclear as to how anatomical deterioration and neurotransmitter depletion relate to each other and to executive impairment. The review includes data from traditional pathological and volumetric analyses, studies of rare genetic mutations, and fu...New molecular link key to cellular proteins involved in cancer progression, other diseases
...H2A ubiquitination contributes to PcG silencing is still unknown, the identification of the responsible enzyme should allow us to better understand the PcG silencing system and how it relates to human disease, such as cancer," said Zhang....Phase II trials of second-generation antisense cancer drug planned following successful early study
...s, with results soon after that. "Of course, it is still early days, but we are optimistic. The drug worked well in animal models and we hope that we will be able to see benefits akin to some of the other targeted therapies now in use."...Trial shows which brain cancer patients benefit from temozolomide
...re not. Even though the drug was well tolerated it still had inherent toxicity. Patients who were unlikely ...ns a dreadful disease without a cure, and there is still a long way to go."...4 October press briefing to focus on minority recruitment to science and engineering programs
...ils, despite the fact that targeted recruitment is still perfectly legal," said report co-author Shirley M. Malcom, director of Education & Human Resources at AAAS. Emerging from a recent invitation-only think-tank sponsored by the Alfred P. Sloan Foundation, Standing Our Ground provides legal guidance o...High resolution satellite imagery assists hunt for infectious 'kissing bugs'
...on inhabitants of Matagalpa are poor - made poorer still by the devastation of Hurricane Mitch in 1998 and Chagas is a disease of poverty. The parasite-carrying insects thrive in poor housing conditions, such as trodden earth floors, adobe walls and thatched roofs. Hundreds of kissing bugs can hide in cr......osis and treatment of disease. She said: "This is still just the beginning. In the longer term, nanomedicines research will certainly embrace the opportunities arising from stem cell research, tissue engineering research and device miniaturisation. Real opportunities exist to design nano-sized bioresponsi...DNA barcode finds four new bird species
...ogy, behavior, and vocalization, for example, will still need to be accounted for in determining whether something is a species. But barcoding will enable rapid screening of large numbers of organisms and highlight those with novel barcodes that are likely to be new species." Identifying Species by D...Researchers devise potent new tools to curb ivory poaching
...ement banning ivory trade was enacted in 1989, but still three of the largest ivory seizures have occurred since 2002. In June 2002, authorities in Singapore seized a shipment of about 6.5 metric tons of ivory bound for the Far East. The shipment included 532 whole tusks, many more than 6 feet long, and 4...Indiana University, EPA to study airborne PCBs
...t most sites and then started decreasing again. We still don't know why this happened, but we hope the next few years of data will provide us with some answers." The EPA will give Hites and Basu $3.5 million to operate the U.S. portion of the Integrated Atmospheric Deposition Network for five more years. A...Scientists find nanowires capable of detecting individual viruses
...on at very early stages, when the immune system is still able to suppress virus populations. It's at this s...t symptoms often begin to appear, but with viruses still present in limited numbers, they can be difficult to detect and treat. The nanowire arrays detect vi...The book opens on the first tree genome
... for plant molecular geneticists. "Although we're still in the early stages of analyzing the poplar genome...for improved yield, quality and pest resistance is still in its infancy. This research will help provide a solid base in tree genomics to advance biological ...Binocular rivalry: Fulfilling visual expectations
...our expectations can affect what we see, vision is still our most valuable asset for sensing the world around us. However, we would do well to remember that the view it provides us might be rather more subjective than we would expect. ......en pellets that smell like cut grass were purified still further and coaxed into a water-soluble state. One of the challenges was to keep the proteins in the same configuration as they appear naturally in the organism. Here's where peptides come in. The 80,000-plus kinds of proteins in our body, ...