News tagged with environment


Limits to growth: Scientists identify key metastasis-enabling enzyme

(Medical Xpress) -- On the complex road to eradicating cancer, controlling or preventing metastatic growth initiated by primary tumors is high on the to-do list. A key area of such research is the development ...

Medical research created May 22, 2012 | popularity 4.3 / 5 (9) | comments 0 | with audio podcast feature

Scientists discover that DNA damage occurs as part of normal brain activity

Scientists at the Gladstone Institutes have discovered that a certain type of DNA damage long thought to be particularly detrimental to brain cells can actually be part of a regular, non-harmful process. The team further ...

Alzheimer's disease & dementia created Mar 24, 2013 | popularity 5 / 5 (7) | comments 1 | with audio podcast

Front-most part of the cortex involved in making short-term predictions about what will happen next

Researchers at the University of Iowa, together with colleagues from the California Institute of Technology and New York University, have discovered how a part of the brain helps predict future events from ...

Neuroscience created Jun 19, 2012 | popularity 4.3 / 5 (3) | comments 1 | with audio podcast

Virtual reality allows researchers to measure brain activity during behavior at unprecedented resolution

Researchers have developed a new technique which allows them to measure brain activity in large populations of nerve cells at the resolution of individual cells. The technique, reported today in the journal Nature, has be ...

Neuroscience created May 09, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Social stress affects immune system gene expression in monkeys

The ranking of a monkey within her social environment and the stress accompanying that status dramatically alters the expression of nearly 1,000 genes, a new scientific study reports. The research is the first ...

Genetics created Apr 09, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Using patients' own tumor-fighting cells to knock back advanced melanoma

A small, early-phase clinical trial to test the effectiveness of treating patients with advanced melanoma using billions of clones of their own tumor-fighting cells combined with a specific type of chemotherapy has shown ...

Cancer created Mar 05, 2012 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

What bacteria don't know can hurt them

Many infections, even those caused by antibiotic-sensitive bacteria, resist treatment. This paradox has vexed physicians for decades, and makes some infections impossible to cure.

Medical research created Nov 17, 2011 | popularity 4.2 / 5 (5) | comments 0 | with audio podcast

Surprising culprits behind cell death from fat and sugar overload

Excess nutrients, such as fat and sugar, don't just pack on the pounds but can push some cells in the body over the brink. Unable to tolerate this "toxic" environment, these cells commit suicide.

Medical research created Jul 05, 2011 | popularity 4.6 / 5 (9) | comments 0 | with audio podcast

Study shows that individual brain cells track where we are and how we move

(Medical Xpress)—Leaving the house in the morning may seem simple, but with every move we make, our brains are working feverishly to create maps of the outside world that allow us to navigate and to remember ...

Neuroscience created May 03, 2013 | popularity 4.7 / 5 (3) | comments 1 | with audio podcast

Kids with brains that under-react to painful images

When children with conduct problems see images of others in pain, key parts of their brains don't react in the way they do in most people. This pattern of reduced brain activity upon witnessing pain may serve as a neurobiological ...

Psychology & Psychiatry created May 02, 2013 | popularity not rated yet | comments 0 | with audio podcast

Babies born even slightly early may lag behind, study says

(HealthDay)—Many women choose to have labor induced or to have an elective Cesarean delivery before the full term of their pregnancy is up, but a new study suggests their child's development may suffer ...

Pediatrics created Apr 17, 2013 | popularity not rated yet | comments 0 | with audio podcast

Concert cacophony: Short-term hearing loss protective, not damaging

Contrary to conventional wisdom, short-term hearing loss after sustained exposure to loud noise does not reflect damage to our hearing: instead, it is the body's way to cope.

Medical research created Apr 15, 2013 | popularity 3 / 5 (2) | comments 1 | with audio podcast

Childhood lead exposure linked to crime in adulthood

Australians who were exposed to high levels of lead as children may be at greater risk of committing violent and impulsive crimes two decades later, our yet-to-be-published research suggests.

Health created Apr 15, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Differential hearing difficulties cause kids to fall behind at school

(Medical Xpress)—Some children who have trouble learning in the classroom have difficulty switching their listening attention and so have trouble following a conversation from one talker to the next, according to a University ...

Psychology & Psychiatry created Apr 05, 2013 | popularity not rated yet | comments 0 | with audio podcast

Researchers discover primary role of the olivocochlear efferent system

New research from the Massachusetts Eye and Ear, Harvard Medical School and Harvard Program in Speech and Hearing Bioscience and Technology may have discovered a key piece in the puzzle of how hearing works by identifying ...

Neuroscience created Mar 27, 2013 | popularity not rated yet | comments 0 | with audio podcast