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Preview: Brightsurf Science News :: Cultures News

Cultures Current Events and Cultures News from Brightsurf

Cultures Current Events and Cultures News Events, Discoveries and Articles from Brightsurf

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Hedgehog signaling proteins keep cancer stem cells alive

Fri, 19 Jan 18 00:03:10 -0800

Researchers from Charité - Universitätsmedizin Berlin have discovered that the survival of cancer stem cells is dependent on the 'Hedgehog signaling pathway'. Targeting this pathway had previously shown no effect on the growth of colorectal cancer. Now, Charité scientists have demonstrated that using different drugs to target a specific aspect of the pathway may yield better treatment outcomes for patients. Results from this research have been published in the journal Cell Reports*.

Key to willpower lies in believing you have it in abundance

Thu, 18 Jan 18 00:12:00 -0800

Americans believe they have less stamina for strenuous mental activity than their European counterparts -- an indication that people in the US perceive their willpower or self-control as being in limited supply, suggests a study by University of Illinois educational psychologist Christopher Napolitano. The purpose of the study was to test the validity of the widely used Implicit Theory of Willpower for Strenuous Mental Activities Scale.

Portland State study shows pitfalls of using the term middle class

Thu, 18 Jan 18 00:03:20 -0800

Middle class describes an economic tier between rich and poor. It implies upward mobility and a break from poverty. But a recent article co-authored by Portland State University anthropologist Charles Klein shows that the term does little to shine a light on the real lives of people who make it into this social classification.

An eNose is able to sniff out bacteria that cause soft tissue infections

Tue, 16 Jan 18 00:14:30 -0800

A recent study conducted at the University of Tampere, Tampere University of Technology, Pirkanmaa Hospital District and Fimlab in Finland has concluded that an electronic nose (eNose) can be used to identify the most common bacteria causing soft tissue infections.

Tuberculosis drugs work better with vitamin C

Wed, 03 Jan 18 00:04:50 -0800

Studies in mice and in tissue cultures suggest that giving vitamin C with tuberculosis drugs could reduce the unusually long time it takes these drugs to eradicate this pathogen. The research is published in Antimicrobial Agents and Chemotherapy, a journal of the American Society for Microbiology.

Redefining knowledge of elderly people throughout history

Wed, 03 Jan 18 00:11:20 -0800

An archaeologist from The Australian National University is set to redefine what we know about elderly people in cultures throughout history, and dispel the myth that most people didn't live much past 40 prior to modern medicine.

Researchers inhibit ebola virus

Fri, 29 Dec 17 00:01:00 -0800

The incurable Ebola virus has long been feared due to its high mortality rate and danger of infection. Now researchers from the University of Copenhagen and Phillips Universität Marburg have succeeded in inhibiting the virus in cell cultures. The researchers hope to be able to continue doing animal testing and developing an actual drug.

Physicists negate century-old assumption regarding neurons and brain activity

Thu, 21 Dec 17 00:12:30 -0800

Neurons are the basic computational building blocks that compose our brain. According to the neuronal computational scheme used for over a century, each neuron functions as a centralized excitable element. Using new types of experiments on neuronal cultures, scientists have demonstrated that this assumption regarding brain activity is mistaken. Their results call for a re-examination of neuronal functionalities beyond the traditional framework and, in particular, for an examination into the origin of degenerative diseases.

Computational study of world music outliers reveals countries with distinct recordings

Thu, 21 Dec 17 00:01:40 -0800

Botswana is the country with the most distinct musical recordings around the world while China has the most distinct recordings in relation to its neighbours, according to research by Queen Mary University of London.

Treating refugees from Western perspective leaves providers, patients lost in translation

Wed, 20 Dec 17 00:00:50 -0800

University at Buffalo nursing research revealed that Somali Bantu women are open to family planning when methods help to space births of future children, rather than preventing new additions to their families.

East meets West: The Science Bridge

Wed, 20 Dec 17 00:00:40 -0800

Under the leadership of neuroscientists from Charité - Universitätsmedizin Berlin, more than 200 researchers from across the globe have joined forces to strengthen intercultural collaboration and exchange. 'The Science Bridge' project counts 29 Nobel Prize-winners among its supporters. The aim of the initiative is to speed up scientific advances in understanding basic brain functions and finding novel strategies to treat and cure human brain diseases, while also promoting relationships and understanding between different cultures.

Using viruses to fight viruses: New approach eliminates 'dormant' HIV-infected cells

Mon, 18 Dec 17 00:05:10 -0800

Researchers at The Ottawa Hospital and the University of Ottawa have discovered that the Maraba virus, or MG1, can target and destroy the kind of HIV-infected cells that standard antiretroviral therapies can't reach. This laboratory discovery was published in the Journal of Infectious Diseases. If this technique works in humans, it might possibly contribute to a cure for HIV.

How Zika virus induces congenital microcephaly

Mon, 11 Dec 17 00:05:20 -0800

Epidemiological studies show that in utero fetal infection with the Zika virus (ZIKV) may lead to microcephaly, an irreversible congenital malformation of the brain characterized by an incomplete development of the cerebral cortex. However, the mechanism of Zika virus-associated microcephaly remains unclear. An international team of researchers within the European consortium ZIKAlliance (coordinated by Inserm in France) has identified a specific mechanism leading to this microcephaly. Their findings are published this week in Nature Neuroscience.

People say they want to live longer -- if in good health

Mon, 11 Dec 17 00:10:40 -0800

Individually most people only want to live long lives if they will be healthy, according to a new study that includes a University of Kansas gerontologist.

New tool could help maintain quality during cheese production

Fri, 08 Dec 17 00:02:30 -0800

Dutch type cheeses, notably edam and gouda, are made using complex starter cultures, that have been employed for centuries. Due to changes in strain composition within a culture, the quality frequently fluctuates. A team of Norwegian investigators has developed a tool that could be used to monitor the strains within a culture with high resolution, in order to maintain cheese quality.

Cell tissue must not freeze!

Wed, 06 Dec 17 00:12:10 -0800

Nature has evolved sugars, amino acids, and special antifreeze proteins as cryoprotectants. People use organic solvents and synthetic polymers as additives to prevent cell cultures from freezing damage. Now, English scientists have combined both methods: In work published in the journal Angewandte Chemie, they introduced polyproline, a polypeptide made of the natural amino acid proline, as an effective cryoprotectant for monolayers of cells.

Diabetes drug metformin inhibits multidrug-resistant breast cancer
The drug metformin, typically prescribed to treat type 2 diabetes, keeps breast cancer cells from developing multiple drug resistance (MDR) and can reverse MDR after it