Brightsurf Science News & Current Events

August 31, 2014
Why sibling stars look alike: Early, fast mixing in star-birth clouds
Early, fast, turbulent mixing of gas within giant molecular clouds -- the birthplaces of stars -- means all stars formed from a single cloud bear the same unique chemical 'tag' or 'DNA fingerprint,' write astrophysicists at University of California, Santa Cruz, reporting on the results of computational simulations in the journal Nature, published online on Aug.

Retrievable transcatheter aortic valve effective and safe in real world setting
A retrievable and repositionable transcatheter aortic valve is effective and safe in a real world setting, according to research presented at ESC Congress 2014 today by Dr.

ODYSSEY FHI & II -- investigational alirocumab shows lipid-lowering promise
An investigational lipid-lowering agent called alirocumab produced superior results compared to placebo in Hot Line studies reported today at ESC Congress 2014.

Renal denervation more successful when it includes accessory arteries
Renal denervation seems to be more successful at reducing blood pressure in patients with resistant hypertension when it includes accessory renal arteries, according to research presented at ESC Congress today by Dr.

Memory in silent neurons
According to a generally-accepted model of synaptic plasticity, a neuron that communicates with others of the same kind emits an electrical impulse as well as activating its synapses transiently.

Wine only protects against CVD in people who exercise
Wine only protects against cardiovascular disease (CVD) in people who exercise, according to results from the In Vino Veritas study presented at ESC Congress today by professor Milos Taborsky from the Czech Republic.

Discovery reveals how bacteria distinguish harmful vs. helpful viruses
Viruses can kill bacterial cells or, under the right circumstances, lend them helpful genes that the bacterium could harness to, say, better attack its own hosts.

Accounting for biological aggregation in heating and imaging of magnetic nanoparticles
We systematically characterize the effects of aggregation on both radiofrequency heating and magnetic resonance image (MRI) contrast of magnetic iron oxide nanoparticles, including detailed analysis of the aggregate morphologies based on quasi-fractal descriptions.

AF mortality and morbidity high at 1 year despite good anticoagulant use
Mortality and morbidity of atrial fibrillation (AF) patients remains high at one year despite good use of oral anticoagulants, according to the one year follow-up of the Atrial Fibrillation General Pilot Registry.

Solid-TIMI 52 -- darapladib disappoints again -- anti-inflammatory treatment fails to prevent cardiac events
A new phase III study evaluating the investigational agent darapladib in patients with an acute coronary syndrome, heart attack or unstable angina, has failed to show a reduction in major coronary events compared to placebo.

A new way to diagnose malaria
A research team from the Singapore-MIT Alliance for Research and Technology has developed a technique that can detect malarial parasite's waste in infected blood cells.

Why plants in the office make us more productive
'Green' offices with plants make staff happier and more productive than 'lean' designs stripped of greenery, new research shows.

Batteryless cardiac pacemaker is based on automatic wristwatch
A new batteryless cardiac pacemaker based on an automatic wristwatch and powered by heart motion was presented at ESC Congress 2014 today by Adrian Zurbuchen from Switzerland.

Resistant hypertension increases stroke risk by 35 percent in women and 20 percent in elderly Taiwanese
Resistant hypertension increases the risk of stroke by 35 percent in women and 20 percent in elderly Taiwanese patients, according to research presented at ESC Congress today by Dr.

Understanding and improving the body's fight against pathogens
Scientists from A*STAR's Bioprocessing Technology Institute have uncovered the crucial role of two signalling molecules, DOK3 and SHP1, in the development and production of plasma cells.

New tuberculosis blood test in children is reliable and highly specific
A new blood test provides a fast and accurate tool to diagnose tuberculosis in children, a new proof-of-concept study shows.

Doctor revalidation needs to address 7 key issues for success, claims report
New research launched in the UK today, Sept. 1, 2014, has concluded that there are seven key issues that need to be addressed to ensure the future success of doctor revalidation, the most profound revision in medical regulation since the Medical Act of 1858.

Energy drinks cause heart problems
Energy drinks can cause heart problems according to research presented at ESC Congress 2014 today by professor Milou-Daniel Drici from France.

ODYSSEY COMBO II -- investigational agent outshines ezetimibe for lowering cholesterol
The investigational drug alirocumab significantly improved cholesterol levels compared to ezetimibe, when added to regular statin therapy in patients with high cholesterol and elevated risk of cardiovascular disease, according to the ODYSSEY COMBO II trial, presented as a Hot Line today at ESC Congress 2014.

Europe's major psychiatry congress -- Berlin, October 2014
Up to 7,000 delegates are expected to attend the Berlin meeting of Europe's major international psychiatric society.

Scientists develop 'electronic nose' for rapid detection of C. diff infection
Research from the University of Leicester sniffs out the smell of disease in feces.

Changing global diets is vital to reducing climate change
Healthier diets and reducing food waste are part of a combination of solutions needed to ensure food security and avoid dangerous climate change, say the team behind a new study.

Scientists get set for simulated nuclear inspection
Some 40 scientists and technicians from around the world will descend on Jordan in November to take part in a simulated on-site inspection of a suspected nuclear test site on the banks of the Dead Sea.

Renal denervation reduces recurrent AF after ablation
Renal denervation reduces recurrent atrial fibrillation (AF) when performed with pulmonary vein isolation ablation in patients with AF and hypertension, according to research presented at ESC Congress today by Dr.

Inhibiting inflammatory enzyme after heart attack does not reduce risk of subsequent event
In patients who experienced an acute coronary syndrome event -- such as heart attack or unstable angina -- use of the drug darapladib to inhibit the enzyme lipoprotein-associated phospholipase A2 -- believed to play a role in the development of atherosclerosis -- did not reduce the risk of recurrent major coronary events, according to a study published by JAMA.

Antihypertensive therapy reduces CV events, strokes and mortality in older adults
Antihypertensive therapy reduces the risk of cardiovascular events, strokes and mortality in hypertensive older adults, according to research presented at ESC Congress 2014 today by Dr.

New method predicts optimal number and location of AEDs
A new method to predict the optimal number and location of automated external defibrillators was presented at ESC Congress today by Dr.

Local anesthetic for TAVI as safe and effective as general anesthetic
Local anesthetic is as safe and effective for transcatheter aortic valve implantation as general anesthetic, according to results of the FRANCE 2 registry presented at the European Society for Cardiology Congress today by Dr.

Memory and Alzheimer's: Towards a better comprehension of the dynamic mechanisms
A study just published in the prestigious Nature Neuroscience journal by, Sylvain Williams, Ph.D., and his team, of the Research Centre of the Douglas Mental Health University Institute and McGill University, opens the door towards better understanding of the neural circuitry and dynamic mechanisms controlling memory as well of the role of an essential element of the hippocampus -- a sub-region named the subiculum.

Antarctic sea-level rising faster than global rate
A new study of satellite data from the last 19 years reveals that fresh water from melting glaciers has caused the sea-level around the coast of Antarctica to rise by 2 cm more than the global average of 6 cm.

Mixing in star-forming clouds explains why sibling stars look alike
The chemical uniformity of stars in the same cluster is the result of turbulent mixing in the clouds of gas where star formation occurs, according to a study by astrophysicists at UC Santa Cruz.

LISTEN -- statin standoff: Does rosuvastatin tip the balance in diabetic patients?
When it comes to cholesterol-lowering statin medications for patients with type 2 diabetes, rosuvastatin may be a better choice than atorvastatin, according to the findings of a new study presented today at ESC Congress 2014.

Drinking tea reduces non-CV mortality by 24 percent
Drinking tea reduces non-cardiovascular mortality by 24 percent, reveals a study in 131,000 people presented at ESC Congress today by professor Nicolas Danchin from France.

Invisible blood in urine may indicate bladder cancer
Scientists at the University of Exeter Medical School found that one in 60 people over the age of 60 who had invisible blood in their urine -- identified by their GP testing their urine -- transpired to have bladder cancer.

ODYSSEY LONG TERM -- long term results underscore efficacy and safety of alirocumab for lowering cholesterol
Long term results for the investigational monoclonal antibody alirocumab, show that in addition to significantly reducing cholesterol on top of regular statin therapy, it also reduced the incidence of cardiovascular events, researchers reported in a Hot Line session today at ESC Congress 2014.

A new synthetic amino acid for an emerging class of drugs
EPFL scientists have developed a new amino acid that can be used to modify the 3-D structure of therapeutic peptides.

Sugar substance 'kills' good HDL cholesterol, new research finds
Scientists at the University of Warwick have discovered that 'good' cholesterol is turned 'bad' by a sugar-derived substance.

Obese youths have a nearly 6 fold risk of hypertension
Obese youths have a nearly six fold risk of hypertension, according to research in more than 22,000 young people from the PEP Family Heart Study presented at ESC Congress today by Professor Peter Schwandt from Germany.
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