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Cancer Drug Resistance Has an ‘Off Switch’

October 21, 2014 | 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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Lift Weights, Improve Your Memory

October 1, 2014 1:29 pm | Comments

Here’s another reason why it’s a good idea to hit the gym: it can improve memory. A new study shows that an intense workout of as little as 20 minutes can enhance episodic memory, also known as long-term memory for previous events, by about 10 percent in healthy young adults.

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BST This Week #20: Dengue-blocking Mosquito Released in Brazil

September 30, 2014 10:26 am | Comments

On this episode of Bioscience Technology This Week, Christina Jakubowski covers mosquitoes infected with a dengue-blocking bacteria that have been released in Brazil. Our second story highlights new research that has restored natural walking ability in completely paralyzed rats.

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BST This Week #19: Smelly Grass Fights Off Bugs

September 26, 2014 8:30 am | Comments

On this episode of Bioscience Technology This Week, Christina Jakubowski reports on a discovery that claims the smell of mown grass is actually an SOS for help in resisting insect attacks. Our second story covers the possibility that modified vitamin D can help fight pancreatic cancer.

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BST This Week #18: Brain Test May Improve Autism Diagnosis

September 24, 2014 4:07 pm | Comments

On this episode of Bioscience Technology This Week, Christina Jakubowski covers research showing that measuring the brain’s response to sights and sounds can help in classifying people on the autism spectrum. Our second story looks at how the human response to unfairness may have involved in support of long-term cooperation.

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Nanotubes Help Healing Hearts Keep the Beat

September 23, 2014 1:59 pm | Comments

Carbon nanotubes serve as bridges that allow electrical signals to pass unhindered through new pediatric heart-defect patches invented at Rice University and Texas Children’s Hospital.                    

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New Method Developed to Detect Ebola

September 19, 2014 8:30 am | Comments

A group of international scientists have developed a new method to study Ebola virus in wildlife. The research describes the use of fecal samples from wild great apes to identify populations likely to have been exposed to the virus.     

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BST This Week #17: Film Detects Consciousness in Vegetative State

September 19, 2014 8:30 am | Comments

On this episode of Bioscience Technology This Week, Christina Jakubowski focuses on a new study that used a short movie to detect consciousness in vegetative state patients. Our second story explores how the amazing variety in human faces is the result of evolutionary pressure.

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