UCLA scientists discover hormone may spur dramatic weight loss
...al changes associated with adolescence and rapidly reached sexual maturity. In addition, UCLA researchers observed neurological growth in all three participants. "At the end of the study, we measured the subjects' brains with MRI and discovered that the organs had expanded a small but significant amount," Li...'Obesity sleuths' find chronic diseases linked to behavior contrary our DNA
...s part of their efforts, new conclusions have been reached on how physical inactivity affects at least 20 of the most chronic and deadly medical disorders. They suggest that all these conditions share common genetic inheritances that were supported by physical activity. When physical activity diminished, c...Snail venom heralds new era of pain treatment
...a drug from a coneshell toxin (conotoxin) that has reached the final stages of human trials, but when administered to some patients it has given unwanted side-effects that include raised blood pressure," he says. "ACV1 acts on a different class of pain receptors to these drugs and is unlikely to exhibit the...UC study links parasites in freshwater runoff to sea otter deaths
...in the path of these biological pollutants if they reached the ocean. In addition, many of the prey species that otters feed on could potentially concentrate pathogenic bacteria, protozoa and viruses present in contaminated water. In California, surface water runoff is conducted to coastal streams or directl...Researchers developing technology to outsmart metastasized cancers
...mately may cure some cancers, even those that have reached an advanced stage. Many types of cancer cells have a great affinity for folate a form of water-soluble B vitamin because they need the nutrient in order to grow and divide. In fact, cancer cells have evolved a mechanism to capture folate more effec...Chemical society convenes regional meeting in Spokane, Washington, June 20-22
...he conference co-chairman, Dennis DeMattia, can be reached at 509-599-2720. Scientific topics include biochemistry, chemical education, pharmaceutical engineering, bioremediation, and analytical and environmental, inorganic and organometallic, organic, and physical and theoretical chemistry. Meeting highligh...New cellular evolution theory rejects Darwinian assumptions
...ore complex and interconnected a critical point is reached where a more integrated cellular organization emerges, and vertically generated novelty can and does assume greater importance." Woese calls this critical point in a cell's evolutionary course the Darwinian Threshold, a time when a genealogical trail...Natural resistance of pigment cells to sunlight may make deadly skin cancer tough to treat
...l process that triggers suicide in a cell that has reached the end of its useful life cycle. Apoptosis kicks in when a cell's DNA is damaged, assigning it to death rather than risk chaotic, dangerous reproduction by the errant cell. Many cancer drugs work by inducing cancer cells to undergo apoptosis inst...Want to save gorillas? Enforce laws, experts say
... participants, large-scale commercial poaching has reached crisis levels, even in national parks, due to the rapid expansion of logging, civil unrest, and lack of management. Present conservation activities are not enough, said the group, adding that without truly effective law enforcement, western gorillas...New hope for diabetics in treating blindness
...s present and active in the eye when blood glucose reached high levels. "The diabetic rats also allowed us to test various drugs that attack the pathways affected by or involving glucose, including two angiotensin-blocking drugs similar to the new drug to be used in the clinical trial," says Wilkinson-Berka....Three nations agree to share ice core thatmay yield clues about nature of Lake Vostok
...lake and how did they get there? The agreement was reached at a meeting of U.S., French and Russian scientists held in April at the National Science Foundation (NSF) headquarters in Arlington, Va. Participants included the directors of the U.S., French and Russian Antarctic programs as well as scientists an...Time to vaccinate everyone under 30 against smallpox?
...uter model to assess the effects of campaigns that reached either 50 percent of people aged 1 to 29 years old, or 75 percent of them, and based our calculations on risks, probabilities and costs from the best available data." In all, the researchers estimate that vaccinating half of all people aged 1 to 29 y...Obesity may exacerbate a heart disorder in African American females
... activity and QTc for mothers and daughters, which reached statistical significance for the obese daughters. Conclusion These results indicate a positive association between obesity and long QTc and an inverse association between self reported PA and QTc duration. Consequently, otherwise healthy individua...High protein diets cause dehydration, even in trained atheletes
...(BUN) a clinical test for proper kidney function reached abnormal ranges. Other tests indicated that the high protein diet caused the kidney to produce a more concentrated urine. The researchers believe the bottom line is clear for athletes and non-athletes alike: when consuming high protein diets, incr...Changes in agricultural practices help clean up Lake Erie
...phorus in the river water has dropped and less has reached Lake Erie through these rivers, the researchers reported....Experiments reveal ancient blood flow map
...to migrate normally throughout the body, but never reached the posterior or tail section. Instead, blood cells clumped together at the entry point into the tail region. The researchers concluded that without a functioning VEGF receptor, the blood cells could not find their way to their destination. How long-...UF researcher develops AIDS vaccine for cats
...for the FIV vaccine, and the two institutions have reached agreement with Fort Dodge to explore the use of the FIV vaccine for commercial applications, according to Bin Yan, assistant director of life sciences at UFs Office of Technology Licensing. In our experience, a vaccine made using my approach is safe,...Darwin's Time Machine: Scientists begin predicting evolution's next step
...y to evolve to thwart antibiotics that had not yet reached the market. "Fighting bacteria with antibiotics has always been done the same way," says Hall. "We make a drug and after a while, the bugs adapt to it, so we give them a variant of the drug. But if we can predict how they're going to get around our t...Too much sun can harm ocean life
...s been determined in the open sea. The researchers reached the conclusion that each year, ultraviolet radiation converts two to three percent of organic carbon into carbon dioxide. This does not seem a lot, but it is still eight times the amount converted by plankton in the top ten metres of water. It is als......giogenesis at times well before the tumor mass has reached this limit. Small cell clusters or individual glioma cells, implanted in a vascularized tissue, spread along existing vessels. The resulting tumors did not appear to grow around the existing vessels, as would have been predicted by the so-called "coo...