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Science News Archive April 2012


Page 29 of 29

New boost for pancreatic cancer therapy

Scientists at Fox Chase Cancer Center have discovered compounds that enhance the effects of gemcitabine, improving its ability to kill pancreatic cancer cells. This breakthrough could lead to a lower dose of chemotherapy with fewer side effects, potentially increasing survival rates for patients.

Apple iPhone 17 Pro

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Stimulating the brain to improve speech, memory, numerical abilities

Research using tDCS shows promise in speeding up word finding in stroke patients and enhancing memory in Parkinson's and Alzheimer's disease patients. Numerical skills can also be improved using tDCS applied to the posterior parietal cortex, with observed improvements lasting up to 6 months.

Seeing double: 1 in 30 babies born in US is a twin

The incidence of twin births in the US has increased significantly over the past three decades, with one in every 30 babies born being a twin in 2009. Fertility treatments are a key factor in this increase, accounting for two-thirds of the rise.

Meta Quest 3 512GB

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Patients want immediate access to radiology test results

A study at Wake Forest Baptist Medical Center found that patients prefer immediate access to radiology test results, even for complex diagnoses. The study showed that about half of participants preferred instant access, while a third preferred access within three days.

Molecular imaging links systemic inflammation with depression

Research reveals that systemic inflammation causes an increase in depressive symptoms and metabolic changes in the brain's mood-regulating regions. This finding opens doors for testing potential treatments for depression in patients experiencing inflammatory-related symptoms.

SAMSUNG T9 Portable SSD 2TB

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Graduated drivers' licenses for seniors

A proactive solution could help prevent injuries by restricting driving privileges under favourable conditions. Exemptions would be granted for certified healthy seniors, shifting the onus from others to seek exemptions.

PTSD genes identified by UCLA study

Researchers have found that individuals with specific gene variants are more likely to develop PTSD symptoms after exposure to trauma. The study suggests a genetic link to PTSD, which could lead to new screening methods and targeted treatments.

Garmin GPSMAP 67i with inReach

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Information superhighway 'bypassing adult learners' -- new study

A landmark study by University of Leicester researcher Dr Patrick White found that participation in adult learning neither increased nor widened during the first decade of the 21st Century. Despite easier access to the internet, online technologies failed to break down barriers to learning and expand access to previously excluded groups.

Teen alcohol and illicit drug use and abuse examined in study

A study published in Archives of General Psychiatry found that most teenagers who use alcohol and drugs start using them during adolescence, with the median age of onset at 14 years old. By late adolescence, nearly three-quarters of teens reported having consumed alcohol, and one-fifth had met criteria for lifetime abuse.

Can cold cash, social game relieve rush hour traffic?

The study found that a small amount of money can be an effective motivator, encouraging drivers to arrive earlier or leave later during peak hours. By leveraging social responsibility and game theory, the Capri program aims to reduce rush hour traffic by a few hundred cars.

Picky females promote diversity: UBC-IIASA study

A study by UBC and IIASA researchers reveals that picky females can promote diversity in species through selective mating. They must occupy different resource hotspots and pay a cost for their preferences to prevent invasion of undesirable areas.

GoPro HERO13 Black

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Death anxiety increases atheists' unconscious belief in God

Research reveals that death anxiety makes atheists more unconsciously receptive to religious beliefs, while religious individuals strengthen their beliefs at both conscious and unconscious levels. This study contributes to understanding why religion endures as a fundamental aspect of human culture.

DNA sequencing lays foundation for personalized cancer treatment

Scientists at WashU Medicine are using DNA sequencing to map the genetic evolution of disease and monitor response to treatment. By analyzing tumor samples, they can identify 'driver' mutations and determine whether cells carrying those mutations have been eliminated by treatment.

Transforming scar tissue into beating hearts: The next instalment

Scientists have made breakthroughs in reprogramming scar tissue from myocardial infarction (MI) into viable heart muscle cells using viral vectors. The new approach has shown promising results in adult mice and offers a potential solution to the major problem of cardiac regeneration after MI.

Kestrel 3000 Pocket Weather Meter

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Accentuating the positive memories for sleep

A new study found that sleep protects positive memories just as it does negative ones, with significant implications for treating post-traumatic stress disorder. Sleep enhances emotionally positive memories while these memories decay over wake, prioritizing them for processing during sleep.

South Pole Telescope hones in on dark energy, neutrinos

The South Pole Telescope's data analysis provides strong support for the cosmological constant as the source of dark energy, accelerating the universe's expansion. The results also place tight limits on neutrino masses, shedding light on these mysterious particles' properties.

Fluke 87V Industrial Digital Multimeter

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Heart failure's effects in cells can be reversed with a rest

Researchers at Imperial College London found that allowing heart muscle cells to rest can reverse structural changes caused by heart failure. This discovery could lead to new treatment strategies without the need for serious procedures like LVAD implants.

MDC-researchers elucidate molecular mechanism contributing to cardiomyopathy

Cardiomyopathy is a deterioration of the heart muscle affecting its pumping ability. MDC-researchers identified RNA binding motif protein 20 (RBM20) as a gene regulating titin splicing, a process connected to the disease. Understanding this mechanism may lead to more efficient molecular diagnosis and therapies for cardiomyopathy.

Aranet4 Home CO2 Monitor

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The protein survivin could be a useful biomarker for pancreatic cancer

Researchers at Fox Chase Cancer Center found that survivin levels were associated with longer disease-free survival and better response to chemotherapy in patients with pancreatic cancer. The study suggests that survivin could be a useful tool for identifying patients who may benefit from specific treatments.

Study finds protective gene in fat cells

A new study finds a protective gene in fat cells that helps regulate blood sugar and insulin levels, potentially leading to a new therapeutic strategy for preventing and treating type 2 diabetes. The discovery challenges popular notions of body fat and health.

Rare immune cells could hold key to treating immune disorders

Researchers identified a rare immune cell's role in antibody production and 'memory' of infectious agents, crucial for vaccine development and potential treatment of immune disorders. T follicular helper cells can remember past infections, enabling rapid responses to future attacks.

Sony Alpha a7 IV (Body Only)

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Raising the school leaving – while learning from another age

A recent study found that raising the school leaving age was met with significant controversy and sacrifice in the past, highlighting potential difficulties in adapting to future changes. The UK's decision to raise the education participation age to 17 in 2013 and potentially 18 in 2015 may face similar challenges.

How black holes grow

A University of Utah astrophysicist has proposed that supermassive black holes in galaxy centers grow by consuming single stars from wandering binary pairs. The study found that this process is an efficient way to bring stars close to black holes, outperforming gas clouds as a growth mechanism.

The role of physics in the sinking of the Titanic

The Titanic's sinking was attributed to a combination of structural deficiencies and the Gulf Stream's unusual alignment, weakening the ship's hull. Researchers found that non-uniform rivet composition and insertion contributed to the vessel's vulnerability.

CalDigit TS4 Thunderbolt 4 Dock

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Mechanism found connecting metastatic breast cancer and arthritis

A study by University of North Carolina at Charlotte researchers confirms the connection between metastatic breast cancer and autoimmune arthritis. Mast cells play a critical role in facilitating breast cancer metastasis, with SCF/Kit signaling inducing mast cell differentiation in arthritic conditions. This finding suggests a potentia...