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Results 81 - 100 of 1772.


Environment - 15.01.2020
Irrigation alleviates hot extremes
Irrigation alleviates hot extremes
Researchers from ETH Zurich and other universities found evidence that expanding irrigation has dampened anthropogenic warming during hot days, with particularly strong effects over South Asia. Large-scale irrigation is one of the land management practices with the largest effect on climate conditions - and especially hot extremes - in various regions across the globe.

Music - Life Sciences - 15.01.2020
How Zebra Finches Learn to Sing
How Zebra Finches Learn to Sing
Complex learning processes like speaking or singing follow similar patterns. Using the example of zebra finches, researchers at UZH and ETH Zurich have investigated how young birds imitate the courtship songs of their fathers and practice them thousands of times. The study has revealed what aspects of the song are remembered overnight, and that sleep allows the bird to optimally build upon the progress made on the previous day.

Life Sciences - 15.01.2020
The heat is on for Australia's beloved marsupials
The heat is on for Australia’s beloved marsupials
As Australia's weather heats up, it could have serious consequences for some of our country's most iconic animals, according to new research from The Australian National University (ANU). The research shows marsupials like koalas, possums and gliders are forced to change their eating habits in hot weather because of the toxins found in Eucalyptus leaves.

Earth Sciences - Environment - 15.01.2020
Davy Jones’ locker opened: how metals stay on top of the seafloor
Understanding how deep-ocean metals remain uncovered on the open sea floor could help geoscientists provide advice to the mining industry. Lumps of rare metallic elements on the deep-ocean floor strangely remain uncovered despite the shifting sands and sediment many leagues under the sea. Scientists now think they know why - and it could have important implications for mining these metals while preserving the strange fauna at the bottom of the ocean.

Pharmacology - Health - 15.01.2020
Stepping up to the challenge: studying drug dosage during an Ebola outbreak
A specialist technique used to study drugs has been completed for the first time during an outbreak of Ebola virus disease. The study published today in eBiomedicine was a collaboration of researchers from Sierra Leone and the University's of Glasgow, Oxford, Cambridge and the Liverpool School of Tropical Medicine.

Social Sciences - 15.01.2020
What puts women off bearded men?
What puts women off bearded men?
Women who find bearded men less attractive may be deterred due to their potential risk for carrying ticks, bugs and lice, according to a University of Queensland study published today. Senior author Dr Barnaby Dixson from UQ's School of Psychology said the findings suggested that when women judged men for their eligibility as a partner for short or long-term relationships, they can be discouraged by facial hair.

Health - Psychology - 15.01.2020
Miscarriage and ectopic pregnancy may trigger long-term post-traumatic stress
Miscarriage and ectopic pregnancy may trigger long-term post-traumatic stress
One in six women experience long-term post-traumatic stress following miscarriage or ectopic pregnancy. This is the finding of the largest ever study into the psychological impact of early-stage pregnancy loss, from scientists at Imperial College London and KU Leuven in Belgium. Pregnancy loss affects up to one in two women, and for many women it will be the most traumatic event in their life.

Health - Life Sciences - 14.01.2020
HIV ’hotspots’ not necessarily major drivers of new infections
Areas of high HIV prevalence, known as 'hotspots', do not necessarily fuel the epidemic in the wider population, say researchers. Hotspots are often targeted for intense HIV control interventions, including treatment and prevention, to maximise their effect and reach the people in greatest need first.

Life Sciences - Environment - 14.01.2020
Tracking animals with DNA
Tracking animals with DNA
Genetic material left behind by animals can provide critical clues to aid conservation and research. New research shows studying DNA in soil samples can be more effective, efficient and affordable than traditional tracking methods, such as camera traps, for assessing biodiversity. It's hard to protect something you can't find.

Life Sciences - Health - 14.01.2020
Brain blood flow sensor discovery could aid treatments for dementia
Researchers at UCL have discovered the mechanism that allows the brain to monitor its own blood supply, a finding in rats which may help to find new treatments for conditions including hypertension (high blood pressure) and dementia. For decades, scientists have suspected that the brain had a way of monitoring and regulating its own blood flow separate from the body-wide blood pressure control system, but until now no one had proven this.

Life Sciences - Health - 14.01.2020
Malnutrition linked with increased risk of Zika birth defects
The severity of Zika virus-related deformations in babies has been shown to be affected by environmental factors such as maternal nutrition. Environmental factors, such as the diets of pregnant women, have been shown to have an effect on the extent and severity of developmental malformations in babies associated with Zika virus (ZIKV) congenital infection.

Health - Life Sciences - 14.01.2020
Toxoplasmosis rids its host of all fear
Toxoplasmosis rids its host of all fear
Researchers at UNIGE show how the parasite that causes toxoplasmosis colonizes the mouse brain in the form of cysts to such an extent that it drastically modifies the rodent's behaviour. The parasite Toxoplasma gondii infects animals, including humans. Its objective is to reach the intestines of felids, the  definitive host in which it reproduces sexually.

Health - Pharmacology - 14.01.2020
Routine HIV screening in general practice boosts testing and early diagnosis
Offering HIV screening to new patients in general practice on a routine basis increases testing rates and improves detection and earlier diagnosis, according to research co-led by UCL and Queen Mary University of London HIV testing rates in general practice are low, despite testing being recommended in UK and international guidelines.

Environment - 14.01.2020
Thanks to clouds, new climate simulations predict more warming than predecessors
Thanks to clouds, new climate simulations predict more warming than predecessors
A new study suggests global warming effect is underestimated, but climate scientists say more research is needed. The most up-to-date computer simulations suggest that greenhouse gases emitted by human activity will leave the planet hotter than previously thought, researchers have found. A study that combines the outputs of nearly 30 new computer models that simulate the Earth's climate suggests that, if the concentration of carbon dioxide in the atmosphere doubles, then the average global temperature should increase by 3.9‘C.

Physics - 14.01.2020
Colloidal quantum dot laser diodes are just around the corner
Colloidal quantum dot laser diodes are just around the corner
Researchers reach a critical milestone on the path to versatile colloidal quantum dot laser diodes by successfully demonstrating a quantum dot LED that also operates as an optically pumped laser This latest breakthrough along with other recent advances in quantum dot chemistry and device engineering that we have achieved suggest that laser diodes assembled from solution may soon become a reality.

Life Sciences - Health - 14.01.2020
New strategy in the fight against antibiotic resistance
Bioscience engineers from KU Leuven in Belgium have developed a new antibacterial strategy that weakens bacteria by preventing them from cooperating. Unlike with antibiotics, there is no resistance to this strategy, because the non-resistant bacteria outnumber resistant ones. The findings are published.

Astronomy / Space Science - Physics - 14.01.2020
X-rays and gravitational waves will combine to illuminate massive black hole collisions
A new study by a group of researchers at the University of Birmingham has found that collisions of supermassive black holes may be simultaneously observable in both gravitational waves and X-rays at the beginning of the next decade. The European Space Agency (ESA) has recently announced that its two major space observatories of the 2030s will have their launches timed for simultaneous use.

Earth Sciences - 14.01.2020
No need to dig too deep to find gold!
No need to dig too deep to find gold!
A UNIGE researcher has discovered the particularities of porphyry copper and gold deposits, providing mining companies with a new tool to maximise the extraction of these two metals. Why are some porphyry deposits - formed by magmatic fluids in volcanic arcs - rich in copper while others primarily contain gold? In an attempt to answer this question, a researcher from the University of Geneva investigated how the metals are accumulated over the time duration of a mineralizing event, looking for a correlation between the amounts of copper and gold extracted from the deposits.

Life Sciences - Health - 14.01.2020
Lack of key protein reduces brain connections in schizophrenia
Lack of key protein reduces brain connections in schizophrenia
Brain scans have revealed for the first time how people with schizophrenia have reduced levels of a key protein which helps brain cells to communicate The findings, published today , have shown a lack of a protein called SV2A in the brains of those with schizophrenia, compared to those without. According to the researchers who carried out the study, the findings suggest the protein could provide a new target for research into potential treatments.

Physics - Astronomy / Space Science - 14.01.2020
Galactic gamma-ray sources reveal birthplaces of high-energy particles
Galactic gamma-ray sources reveal birthplaces of high-energy particles
Researchers with the joint US-Mexico-European HAWC Observatory have identified a host of galactic sources of super-high-energy gamma rays The Earth is constantly being bombarded with charged particles called cosmic rays, but because they are charged, they bend in magnetic fields and don't point back to their sources.

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