Low oxygen likely made Great Dying worse, greatly delayed recovery
The biggest mass extinction in Earth history some 251 million years ago was preceded by elevated extinction rates before the main event and was followed by a delayed recovery that lasted for millions of years. New research by two University of Washington scientists suggests that a sharp decline in atmospheric oxygen levels was likely a major reason for both the elevated extinction rates and the v...Nighttime Dying Linked To Sleep Apnea From Brain Cell Loss
UCLA biochemists reveal the first structural details of a family of mysterious objects called microcompartments that seem to be present in a variety of bacteria. The discovery was published Aug. 5 in the journal Science. "This is the first look at how microcompartments are built, and what the pieces look like," said Todd O. Yeates, UCLA professor of chemistry and biochemistry, and a member...Researchers develop new method for studying 'mental time travel'
Neuroscientists at Princeton University have developed a new way of tracking people's mental state as they think back to previous events -- a process that has been described as "mental time travel." The findings, detailed in the Dec. 23 issue of Science, will aid efforts to learn more about how people mine the recesses of memory and could have a wide-ranging impact in the field of neurosci...Powerful new tool for studying brain development
Scientists at St. Jude Children's Research Hospital have given investigators around the world free access to a powerful tool for studying brain development. The Internet-based tool, called the mouse Brain Gene Expression Map (BGEM), is one of the largest gene expression maps of an organ ever developed, according to the St. Jude researchers. They say the map will likely help scientists discover th...Dogs keep dying: Many owners unaware of toxic dog food
Even though Diamond, Country Value and Professional brand dog foods have been recalled for containing highly toxic aflatoxins, they have caused at least 100 dog deaths in recent weeks, say Cornell University veterinarians, who are growing increasingly alarmed. Some kennels and consumers around the nation and possibly in more than two dozen other countries remain unaware of the tainted food, and a...Antibodies for Studying NMDA Receptor Protein Expression and Synapse-Specific Immunolabeling
Danny Q. Hoang Michael Browning Xinping Yang PeterPingerelli Stratagene Cloning Systems, Inc. Stratagene introduces affinity purified antibodies for NMDA receptorsubunits that are useful for studying expression of the NR2A, NR2B and NR2Csubunit proteins...Optimizing Transfection Conditions for Studying Signal Transduction Pathways
Optimizing Transfection Conditions for Studying Signal TransductionPathways in vivo reporting systems Stratagene Stratagenes PathDetect <font face="S...Enzyme Immunoassay for Studying Intracellular Levels of cAMP
Sensitive, nonradioactive cyclic-AMP detection kit and adenylate cyclase(AC) toxin Stratagene Cloning Systems, Inc. American Qualex Stratagenes EIA cAMP Kit is a highly sensitive and specificantibody-based assay kit for no...New Reporter Plasmids for Studying Interferon-Stimulated Signal Transduction Pathways
Stratagene cis-reportingsystems now includes the GAS and ISRE reporting systems, to better study theactivation of signal transduction pathways stimulated by int...New Fusion Trans-Activator Plasmids for Studying Signal Transduction Pathways
Stratagene Cloning Systems, Inc. The PathDetect in vivo signal transduction pathway reporting systemsare designed for assessing the in vivo activation of signal transductionpathways. The PathDetect trans-reporting systems include a unique fusion trans-activ...Painkillers Do Not Shorten Dying Patients' Lives
According to some British researhers increasing doses of painkillers to ease the agony of terminally ill patients does not shorten their lives.Some health professionals have criticized the practice, comparing it to euthanasia, but doctors at St Christopher's Hospice in London claim patients receiving higher doses of drugs such as morphine live just as long as those who do not. In re...Patients with testicular cancer dying through unfamiliarity
According to researchers, young men are putting their lives at risk because they fail to examine their testicles for signs of tumors and are embarrassed to consult their general practitioner if they feel a lump. //Authors from the Texas base their argument on a case study involving a young man who was involved in a car accident and suffered minor injuries. Four days later he died of a...Mammograms Reduce Risk of Dying
A new research indicates that Women who get regular mammograms could reduce their risk of dying from breast cancer considerably. Mammography is accepted by the scientific and medical community as a benefit to women. However some express doubts about its value. Studies conducted during the 70's and 80's concluded X-rays can cut deaths from breast cancer. But later researchers reanalyzed and conclu...Studying The Effectiveness Of Cough Syrups
Giving your child an over-the-counter cough syrup may not be any more effective than giving them nothing at all, say researchers according to a new study.// Researchers studied 100 children with upper respiratory infections. Thirty-three of the children received dextromethorphan -- a common ingredient found in over-the-counter cough medicines. Another 33 children received diphenhydramin...