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Results 101 - 120 of 3542.

Chemistry - Life Sciences - 17.12.2019
Screen could offer better safety tests for new chemicals
Screen could offer better safety tests for new chemicals
Using specialized liver cells, a new test can quickly detect potentially cancer-causing DNA damage. It's estimated that there are approximately 80,000 industrial chemicals currently in use, in products such as clothing, cleaning solutions, carpets, and furniture. For the vast majority of these chemicals, scientists have little or no information about their potential to cause cancer.

Social Sciences - Life Sciences - 17.12.2019
A way of life in peril as inland lakes and rivers fail to freeze
Melting glaciers and rising sea levels are common examples of the effects of climate change. However, there has been far less research on how a warmer world affects people who need freshwater ice on lakes and rivers. What is known is that ice cover for freshwaters in the Northern Hemisphere has steadily declined for the last 150 years, putting people's cultural and spiritual practices at risk - and potentially their livelihoods.

Health - Administration - 16.12.2019
Cold infections may be less frequent in people with the flu
People were less likely to catch either influenza or a common cold-causing rhinovirus if they were already infected with the other virus, a new study by scientists from the Medical Research Council-University of Glasgow Centre for Virus Research has found. Understanding how these distinct viruses inhibit each other could help public health planning to improve forecasting models that predict respiratory disease outbreaks and strategies for controlling disease spread, say the scientists.

Life Sciences - 16.12.2019
Strength of conviction won’t help to persuade when people disagree
If you disagree with someone, it might not make any difference how certain they say they are, as during disagreement your brain's sensitivity to the strength of people's beliefs is reduced, finds a study led by UCL and City, University of London. The brain scanning study, published , reveals a new type of confirmation bias that can make it very difficult to alter people's opinions.

Health - Economics - 16.12.2019
Exposes surprise billing by hospital physicians
Exposes surprise billing by hospital physicians
Patients with private health insurance face a serious risk of being treated and billed by an out-of-network doctor when they receive care at in-network hospitals, according to a new study by Yale researchers. Addressing the issue could reduce health spending by 3.4% - $40 billion annually, the researchers conclude.

Health - Pharmacology - 16.12.2019
Major research project aims to improve treatment for women with polycystic ovary syndrome
A major £2.4 million research project is underway at the University of Birmingham aimed at improving treatment for women with polycystic ovary syndrome (PCOS). PCOS affects at least ten percent of all women and causes irregular periods and difficulties trying to conceive. Most women with PCOS have high levels of male hormones, known as androgens, in their blood which can also cause unwanted body hair growth and acne.

Pharmacology - Health - 16.12.2019
From cancer medication to antibiotic
From cancer medication to antibiotic
Modified cancer drug effective against multi-resistant bacteria Antibiotic-resistant bacteria are increasingly the source of deadly infections. A team of scientists from the Technical University of Munich (TUM) and the Helmholtz Center for Infection Research (HZI) in Braunschweig have now modified an approved cancer drug to develop an active agent against multidrug-resistant pathogens.

Pharmacology - Health - 16.12.2019
Immunotherapy: a promising alternative
In brief  (20 seconds of reading) : Since 2004, Sophie Lucas, a researcher at the UCLouvain de Duve Institute, has been studying the immune responses that cancer patients can develop against their own tumour She is currently testing a new anti-cancer drug that would strengthen such immune responses This research won the prestigious Academy of Medicine GSK Award , which recognises work in the fields of vaccinology and immunology Sophie Lucas , a researcher at the UCLouvain de Duve Institute , studies the immune responses that cancer patients can develop against their own tumour.

Pharmacology - Health - 16.12.2019
Flu antiviral has bigger benefits for sicker, older patients
A Europe-wide study conducted over three flu seasons finds that the antiviral drug Tamiflu can help people recover from flu-like illness about one-day sooner on average. Published today in The Lancet, the European Commission-funded 'ALIC4E' study was led by the Universities of Oxford (UK) and Utrecht (The Netherlands).

Environment - Life Sciences - 16.12.2019
Ancient events are still impacting mammals worldwide
Ancient events are still impacting mammals worldwide
Researchers find signatures of deep past in biodiversity patterns today In the first study of its kind, researchers have discovered that events from 20,000 years ago or more are still impacting the diversity and distribution of mammal species worldwide. "Our study shows that mammal biodiversity in the tropics and subtropics today is still being shaped by ancient human events and climate changes,” said study lead author John Rowan of the University of Massachusetts Amherst.

Life Sciences - Chemistry - 16.12.2019
Hard as a rock? Maybe not, say bacteria that help form soil
This transition, from solid bedrock to pulverized rock in subsoil, probably occurs on land around the globe. A new study from UW-Madison scientists shows bacteria's critical role at the beginning of soil formation. Image courtesy of Stephanie Napieralski Research published this week by University of Wisconsin-Madison scientists shows how bacteria can degrade solid bedrock, jump-starting a long process of alteration that creates the mineral portion of soil.

Pharmacology - Health - 16.12.2019
Flashing lights may provide vital first test of MS drug success
Measuring changes in the speed of electrical signals along nerves connecting the eyes to the brain may accurately reflect recovery from myelin loss in multiple sclerosis (MS), according to researchers at the University of Wisconsin-Madison, and could be used to evaluate new treatments for the disease.

Physics - Life Sciences - 16.12.2019
Researchers observe brain-like behavior in nanoscale device
UCLA scientists James Gimzewski and Adam Stieg are part of an international research team that has taken a significant stride toward the goal of creating thinking machines. Led by researchers at Japan's National Institute for Materials Science, the team created an experimental device that exhibited characteristics analogous to certain behaviors of the brain — learning, memorization, forgetting, wakefulness and sleep.

Mechanical Engineering - 16.12.2019
Bristol discovery reveals tractionless motion is possible
In an article published in Physical Review Letters, Bristol scientists have answered the fundamental question: "Is it possible to move without exerting force on the environment?", by describing the tractionless self-propulsion of active matter. Understanding how cells move autonomously is a fundamental question for both biologists and physicists.

Agronomy / Food Science - Health - 16.12.2019
Poorest countries facing ’double burden’ of obesity and malnutrition
More than one in three lowand middle-income countries are facing high levels of obesity and under-nourishment, according to a report involving UCL researchers. The report, published today in The Lancet,  says a new approach is needed to help reduce the 'double burden' of undernutrition and obesity at the same time, as the issues become increasingly connected due to rapid changes in countries' food systems.

Physics - Chemistry - 16.12.2019
Physicist taps quantum mechanics to crack molecular secrets
There are few scientists who would describe condensed matter physics-a branch that studies the behavior of solid matter-as "simple." But to Prof. Giulia Galli, it's less complex than the problems she works on at the University of Chicago.  "Problems like water and energy are much more complicated than what I was trained for in condensed matter physics," she said.

Life Sciences - Psychology - 16.12.2019
Low genetic risk for ADHD may protect against negative life experiences
A recent study shows that people at low genetic risk for attention deficit hyperactivity disorder (ADHD) are not only less likely to have the disorder, they also have better than expected economic, health and behavioral outcomes in later life. The results, published in the journal Psychological Medicine, "capture far more than just the risk and the absence of risk for a psychiatric outcome," says study author James Li, a University of Wisconsin-Madison professor of psychology and investigator at the UW's Waisman Center.

Materials Science - Health - 16.12.2019
Berkeley Lab's Top 10 Science Stories of 2019
Berkeley Lab’s Top 10 Science Stories of 2019
From the health benefits of cool roofs to an experiment to search for dark matter, Berkeley Lab researchers did a lot of science! The breadth of science conducted by researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) is vast, spanning from fundamental questions about the nature of the universe to solutions for saving energy in our homes and offices.

Pharmacology - Social Sciences - 16.12.2019
The silent cost of school shootings
SIEPR's Maya Rossin-Slater finds the average rate of antidepressant use among youths under age 20 rose by 21 percent in the local communities where fatal school shootings occurred. The toll from gun violence at schools has only escalated in the 20 years since the jolting, horrific massacre at Columbine High.

Economics - 16.12.2019
Trump's protectionism raises unemployment
Trump’s protectionism raises unemployment
UNIGE researchers demonstrate that far from protecting Americans from international competition, the protectionism put in place by President Donald Trump increases unemployment. The protectionist policy of US President Donald Trump is criticized on all sides around the world, but seems to suit the Americans, who see this economic model as protecting their interests.