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Why Scratching Makes You Itch More

October 31, 2014 | Comments

Turns out your mom was right: Scratching an itch only makes it worse. New research from scientists indicates that scratching causes the brain to release serotonin, which intensifies the itch sensation.              

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First Human Stomach Tissues Generated in Lab

October 30, 2014 12:24 pm | Comments

Scientists used pluripotent stem cells to generate functional, three-dimensional human stomach tissue in a laboratory– creating a new tool for researching the development and diseases of an organ central to several public health crises.    

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The Skin Cancer Selfie

October 29, 2014 1:02 pm | Comments

If melanoma, the deadliest form of skin cancer, is caught early enough it is almost always curable. Now, a camera capable of taking snapshots of the entire human body and rendering high-resolution images of a patient’s skin may help doctors spot cancer early and save lives.

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Dietary Flavanols Reverse Age-related Memory Decline

October 27, 2014 2:26 pm | Comments

Dietary cocoa flavanols—naturally occurring bioactives found in cocoa—reversed age-related memory decline in healthy older adults, according to a new study.                           

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Researchers Observe Brain Development in Utero

October 27, 2014 2:03 pm | Comments

New investigation methods using functional magnetic resonance tomography (fMRT) offer insights into fetal brain development. These in vivo observations will uncover different stages of the brain's development.              

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Protein Discovery May Unlock New HIV Treatment

October 24, 2014 10:16 am | Comments

Like a slumbering dragon, HIV can lay dormant in a person’s cells for years, evading medical treatments only to wake up and strike at a later time, quickly replicating itself and destroying the immune system. Scientists have now uncovered a new protein that participates in active HIV replication.

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Scientists to Use Tiny Particles to Fight Big Diseases

October 23, 2014 12:49 pm | Comments

Physicians will tell you: They are not winning the war on ovarian cancer. But researchers have combined medicine and advanced nanotechnological engineering to create a smarter, more targeted therapy that could overcome the most lethal gynecologic cancer.

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Cancer Drug Resistance Has an ‘Off Switch’

October 21, 2014 11:29 am | Comments

Scientists have uncovered details about how cancer is able to become drug resistant over time, a phenomenon that occurs because cancer cells within the same tumor aren’t identical.                     

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Tarantula Venom Illuminates Electrical Activity in Live Cells

October 21, 2014 11:01 am | Comments

Researchers have created a cellular probe that combines a tarantula toxin with a fluorescent compound to help scientists observe electrical activity in neurons and other cells.                     

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Stem Cell-based Intestinal Tissue Implanted in Mice

October 20, 2014 10:21 am | Comments

Researchers have successfully transplanted “organoids” of functioning human intestinal tissue grown from pluripotent stem cells in a lab dish into mice– creating an unprecedented model for studying diseases of the intestine.        

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Babies’ Hearts May Beat Path to Heart Attack Treatments

October 17, 2014 11:50 am | Comments

The seemingly miraculous power of babies’ hearts to repair themselves after being injured has spurred a research team to investigate if this ability can be harnessed for new heart attack treatments.               

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Brain’s Compass Relies on Geometric Relationships

October 16, 2014 2:24 pm | Comments

The brain has a complex system for keeping track of which direction you are facing as you move about; remembering how to get from one place to another would otherwise be impossible. Researchers have now shown how the brain anchors this mental compass.

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Scientists Sniff Out Unexpected Role for Stem Cells in the Brain

October 13, 2014 1:09 pm | Comments

Scientists report that newly formed brain cells in the mouse olfactory system— the area that processes smells— play a critical role in maintaining proper connections.                        

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'Good' Fat Can Fight Diabetes

October 10, 2014 10:38 am | Comments

Scientists have discovered a new class of molecules– produced in human and mouse fat– that protects against diabetes. The researchers found that giving this new fat to mice with the equivalent of type 2 diabetes lowered their elevated blood sugar.

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Restoring Familiar Sensations to Amputees

October 9, 2014 1:05 pm | Comments

Even before he lost his right hand to an industrial accident four years ago, Igor Spetic had family open his medicine bottles. Cotton balls give him goose bumps. Now, blindfolded during an experiment, he feels his arm hairs raise when a researcher brushes the back of his prosthetic hand with a cotton ball.

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Toddlers Regulate Behavior to Avoid Making Adults Angry

October 8, 2014 11:56 am | Comments

When kids say “the darnedest things,” it’s often in response to something they heard or saw. Now researchers found that children as young as 15 months can detect anger when watching other people’s social interactions and then use that emotional information to guide their own behavior.

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