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Phys.org / Gut microbe Blautia luti uses formate, not hydrogen, to shuttle electrons
Among the many trillions of microorganisms in the human gut is Blautia luti. Like many gut bacteria, it metabolizes indigestible dietary components, such as fiber in the form of carbohydrates. This process produces, among ...
Phys.org / Almost half of the world's aquatic environments are severely contaminated by waste, research reveals
"Dirty" or "extremely dirty": these are the classifications of 46% of the world's aquatic environments. This conclusion comes from a study that compiled and systematized data from 6,049 records of waste contamination in aquatic ...
Phys.org / Norway's Sami population posed an enigma for the occupying Nazis, researcher says
Historian and Ph.D. research fellow Andreas Eliassen Grini at the Norwegian University of Science and Technology (NTNU) has delved into German soldiers' descriptions of their experiences in Northern Norway. This includes ...
Phys.org / New database enables comparative archaeological and historical urbanism
Archaeology offers an unparalleled material record of urban dynamics, spanning thousands of years and operating in varied environmental and cultural contexts. The diverse perspectives provided by the archaeological record ...
Tech Xplore / 'I'm walking here!' A new model maps foot traffic in New York
Early in the 1969 film "Midnight Cowboy," Dustin Hoffman, playing the character of Ratso Rizzo, crosses a Manhattan street and angrily bangs on the hood of an encroaching taxi. Hoffman's line, "I'm walking here!" has since ...
Medical Xpress / Can chemo-resistant cancer cells be resensitized?
Overcoming tumor resistance to chemotherapy drugs has long been a challenge for oncology clinicians and researchers. Now, a new study suggests that blocking a key protein, p300, may force damaged cancer cells into a state ...
Medical Xpress / Housing conditions and outdoor air pollution together affect children's asthma risk, study shows
Children growing up in homes with water damage or dampness and exposed to higher levels of outdoor air pollution during early childhood face a greater risk of developing asthma, according to new research supported by the ...
Medical Xpress / CRISPR approach turns oncogene amplification into a weakness in multiple solid tumors
The onset and aggressiveness of cancer are related to the abnormal behavior of certain genes, known as oncogenes. The best-known of these alterations is mutation, but it is not the only one. Sometimes, within a cell, a very ...
Medical Xpress / Brain network identified for effective treatment of Parkinson's disease
Deep brain stimulation (DBS) improves motor symptoms of Parkinson's disease by modulating a specific brain network that is mainly active in the fast beta frequency range (20 to 35 Hz). This conclusion was reached by an interdisciplinary ...
Medical Xpress / Is Charlotte at risk for bigger measles outbreak as cases climb in the Carolinas?
The spread of a highly contagious disease is creeping into the Charlotte region. But experts say there are steps the community can take to prevent the kind of widespread outbreaks springing up in other parts of the country.
Medical Xpress / Dual-action molecule design concentrates cancer treatment in tumor cells to allow higher doses
Wistar scientists have combined a promising cancer therapy with a molecule that targets tumors to treat cancer more effectively. The new approach could be a way to deliver treatment directly to tumors at higher doses, while ...
Medical Xpress / Understanding how cancer cells use water pressure to move through the body
Cancer is one of the leading causes of death worldwide, marked by the uncontrolled growth of abnormal cells. What makes it more dangerous is the ability of cancer cells to move quickly through the body, allowing them to invade ...
