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Twitter, Public Opinion, Social Media, Algorithms, Behavior Patterns, majority viewpoint, Fei Xiong, Yun Liu, Beijing Jiaotong University, Chaos

How Twitter Shapes Public Opinion


How exactly does Twitter, with its 241 million users tweeting out 500 million messages daily, shape public opinion? That question was tackled by a group of researchers in China, who investigated how opinions evolve on Twitter by gathering about 6 million messages (tweeted over a six month period), which they ran through algorithms and analyzed. Described in the journal Chaos, the work reveals several surprises about how Twitter shapes public opinion, researchers say.


Social and Behavioral Sciences


Natural Selection, Child Psychology, Psychology

Research Reveals Surprising Results About Kids’ Capacity for Scientific Literacy


Innovative approach introduces five-to-eight year-olds to the concept of natural selection using a story book, and the children show remarkable comprehension



Cancer, Metastasis, chemical and biomolecular engineering, Cell Biology, Physical Sciences-Oncology Centers

Cancer Cells Don’t Take ‘Drunken’ Walks through the Body

Biologists have believed that cancers cells spread through the body in a slow, aimless fashion, resembling a drunk who can't walk three steps in a straight line. They now know that's true in a flat petri dish, but not in the three-dimensional space of an actual body.



Ct Scan, Fleming, Chemotherapy, Pancreatic Cancer

Study Finds CT Scans Predict Chemotherapy Response in Pancreatic Cancer


Computed tomography (CT) scans routinely taken to guide the treatment of pancreatic cancer may provide an important secondary benefit. According to new research from The University of Texas MD Anderson Cancer Center, the scans also reflect how well chemotherapy will penetrate the tumor, predicting the effectiveness of treatment.



Stress, Cortisol, Human Resources, HR, work, Workplace, Psychology, Psychiatry, Neuroscience

Filling Out Those Employment Questionnaires Might Reveal More Than You Think

Your answers on psychological questionnaires, including some of the ones that some employers give their employees, might have a distinct biological signature. New research indeed demonstrates overlap between what workers feel and what their bodies actually manifest.



Autism, Autism Spectrum Disorders, ASD, High Functioning Autism Spectrum Disorders, Sensory, Diverse Genes, Gastroenterology, Obesity, Psychopharmacology Psychiatry, Harvard Review of Psychiatry

What's New in Autism Spectrum Disorder? Harvard Review of Psychiatry Presents Research Update

Recent years have seen exciting progress in key areas of research on autism spectrum disorders (ASD): from possible genetic causes, to effective treatments for common symptoms and clinical problems, to promoting success for young people with ASD entering college. Updates on these and other advances in ASD research are presented in the March special issue of Harvard Review of Psychiatry. The journal is published by Lippincott Williams & Wilkins, a part of Wolters Kluwer Health.



Epilepsy, GABA, TBI, Interneurons, post-traumatic epilepsy

A New Cell Type is Implicated in Epilepsy Caused by Traumatic Brain Injury

Traumatic brain injury is a risk factor for epilepsy. A new study published in Oxford Journals’ Cerebral Cortex identifies increased levels of a specific neurotransmitter as a contributing factor. The findings suggest that damage to a specific type of brain cell plays a role in the development of epilepsy after a traumatic brain injury.



Hip Fracture, MRI, Hip Surgery, Orthopedic Surgery

Researchers Develop Special MRI to “See Through” Metal Screws to Follow Patients After Hip Fracture Surgery

People who sustain the most common type of hip fracture are at increased risk of complications. A special type of MRI developed at Hospital for Special Surgery can show a detailed image following fracture repair, without the distortion caused by metal surgical screws that are problematic in standard MRIs.



UNM Cancer Center, Physics, Cancer, Pancreas, Pancreas Cancer, Chemotherapy

UNM Cancer Center Scientist Uses Physics (Again) to Fight Cancer

Dr. Cristini and his collaborators describe how they applied their "Master Equations of Cancer" to pancreatic cancer. It’s an application that will soon help oncologists use the mathematical model to develop treatment plans for all cancer patients.



Doraiswamy, Duke, Duke Medicine, Dementia, Beta-amyloid Plaque, PET, Positron Emission Tomography, florbetapir, Amyvid

Plaques Detected in Brain Scans Forecast Cognitive Impairment

Brain imaging using radioactive dye can detect early evidence of Alzheimer's disease that may predict future cognitive decline among adults with mild or no cognitive impairment, according to a 36-month follow-up study led by Duke Medicine.

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