Ecologists work to link kids with nature
...or the American Sportfishing Association followed, each testifying on aspects of the trend away from outdoor activity for Americas youth. Now ecological scientistswell positioned because of their field of studyare stepping up to do their part. The symposium No child left indoors: Ecologists linking you...American Chemical Society's Weekly PressPac -- Aug. 1, 2007
...ses to match the unique genetic characteristics of each individual patient. In a review article schedule...cientific reports from scientists around the world each year. The reports include discoveries in medicine, health, nutrition, energy, the environment and ot...Story tips from the US Department of Energy's Oak Ridge National Laboratory, August 2007
...strial Technology Program and private dollars from each of the companies. [Contact: Larisa Brass, (865) 574-4163; brasslm@ornl.gov ] COMPUTING -- Unleashed power . . . Supercomputing-like performance could be available for countless scientific applications through an approach that exploits the...Computer graphics spills from milk to medicine
...Having knowledge about the visual effect caused by each type of particle is incredibly valuable in many different contexts, explained Jeppe Revall Frisvad, a Ph.D. student from the Technical University of Denmark. The new work may also help Jensen and colleagues extend their theoretical model for human ...Research team enlightens the reasons for severe blindness
...octors set their hopes high on gene therapy: since each type of LCA is caused by the mutation of a single gene, the affected persons could be helped by exchanging this gene. Such a LCA gene therapy has been already successfully implemented for dogs who naturally suffer from LCA: the treated dogs regained ...Anthrax bacterium's deadly secrets probed
...low. The number of secreted proteins predicted for each member ranged between 350 and 500. The secreted proteins were then put through a second workflow which placed them into groups of proteins with similar functions. Of particular interest were groups containing proteins secreted only by pathogenic m...Teamwork between 2 key proteins necessary for normal development and regulation of red blood cells
...bsence of both factors, they cannot compensate for each other, causing more serious defects in red blood cell development, Lloyd said. According to Lloyd, the production of blood cells involves a complex differentiation pathway with interactions between many molecular players and proteins. In humans,...Gene predicts better outcome as cortex normalizes in teens with ADHD
...erits two copies of the D4 receptor gene, one from each parent, so some people have two copies of the same...t common 4-repeat version; fewer than one-tenth in each group had a 2-repeat version. While the 7-repeat version was linked to thinner attention-controll...Not all embryonic stem cell lines are created equal
... in the mature, functioning neurons generated from each line. The discovery implies that culture conditions during ES cell generation -- which have yet to be identified -- can influence the developmental properties of human ES cells. The report, which was published August 6, 2007, in the early online edit...In a first, Einstein scientists discover the dynamics of transcription in living mammalian cells
...cess, the researchers used living mammalian cells, each of which contained 200 copies of an artificial gene that they had inserted into one of the cells chromosomes. Then, by attaching fluorescent tags to RNA polymerase II, they were able to closely monitor all three phases of the transcription process: b...Satellite tracking will help answer questions about penguin travels
...ecial tape will be used to attach a transmitter to each bird before it is released into the Atlantic. The ... means of preserving the two double-A batteries in each transmitter for the life of the project. The researchers have no way of knowing whether the birds wi...New mechanism links smoking to lung damage
...ell, including calcium, sodium and potassium ions, each of which passes through a specific type of channel. Hemichannels, however, with ports nearly twice the size of an ion channel, are not as specific, permitting more rapid, less regulated flow of molecules up to the size of 1000 Daltons--wide enough...Disabling a sensory organ prompts female mice to act like male mice
...ontrolling sex-specific behaviors are connected to each other."...Defects in critical gene lead to accelerated lung tumor growth
...s cell carcinoma. Lung cancer kills more Americans each year than breast, prostate and colorectal cancers combined. Of the different types of lung cancer, squamous is strongly associated with tobacco use and is the most common worldwide. Mice genetically engineered to have defects in the LKB1 gene in th...Why nectar-feeding bats need a 'power drink' to fly
...d the bats depleted almost 60% of their fat stores each day, but even this phenomenal rate was still barely enough to sustain their metabolism when nectar was absent. This underlines how accurately these bats must balance their energy requirements every day and how vulnerable they are to ecological pertur...MIT study: Maturity brings richer memories
... brain responses as the volunteers tried to commit each picture to memory. Shortly after the volunteers le...he showed them twice as many scenes. Had they seen each one before, and if so, how vividly did they recall the scene" Ofen then went back to the brain ac...Human knowledge is based upon directed connectivity between brain areas
...easured in humans how brain areas communicate with each other by directed information transfer, depending ...dynamic network are not just connected, but rather each area can be engaged either in receiving or sending signals or both. Until now this has been difficu...Census of Marine Life historians detail collapse of bluefin tuna population off northern Europe
...kaggerak, Kattegat, and Oresund ) for a few months each summer until an industrialized fishery geared up i...03 and 2004. Two fish tagged within minutes of each other wound up more than 5,000 km apart eight months later. One traveled 6,000 km southwest in 177 ...Improved NIST SRM aids lead poisoning detection
... shopping list, but for U.S. medical personnel who each year perform more than 2 million human blood measurements, Standard Reference Material (SRM) 955c from the National Institute of Standards and Technology (NIST) cant be beat. SRM 955c is an improved version of SRM 955b, a material clinicians alrea...... substrate. In videos recorded as the cells moved, each looked like an irregularly shaped water balloon at...lls, but the period of the cycle and the length of each step can be shorter or longer in other types of eukaryotic cells. The scientists discovered that t...