How Individuality Develops as Brain Cells Grow
TEHRAN (FNA)- The adult brain continues to grow with the challenges that it faces; its changes are linked to the development of personality and behavior. But what is the link between individual experience and brain structure? Why do identical twins not resemble each other perfectly even when they grew up together? ( 10:48:53 - 2013/05/12)

Different Brain Networks for Different Laughs
TEHRAN (FNA)- A laugh may signal mockery, humor, joy or simply be a response to tickling, but each kind of laughter conveys a wealth of auditory and social information. These different kinds of laughter also spark different connections within the "laughter perception network" in the human brain depending on their context, according to scientists. ( 10:44:12 - 2013/05/12)

How Genes Turn On and Off
TEHRAN (FNA)- A large, multi-institutional research team involved in the NIH Epigenome Roadmap Project has published a sweeping analysis in the current issue of the journal Cell of how genes are turned on and off to direct early human development. ( 08:47:31 - 2013/05/11)

Brain System for Emotional Self-Control Discovered
TEHRAN (FNA)- Different brain areas are activated when we choose to suppress an emotion, compared to when we are instructed to inhibit an emotion, according to a new study. ( 08:46:32 - 2013/05/11)

Chronic Pain Sufferers Likely to Have Anxiety
TEHRAN (FNA)- Researchers found that patients coping with chronic pain should also be evaluated for anxiety disorders. ( 13:22:11 - 2013/05/10)

Parental Addictions Linked to Adult Children's Depression
TEHRAN (FNA)- Findings of a new research showed that the offspring of parents who were addicted to drugs or alcohol are more likely to be depressed in adulthood. ( 13:20:22 - 2013/05/10)

Nanotechnology Products Displayed in Tehran Int'l Book Fair
TEHRAN (FNA)- Iran Nanotechnology Initiative Council for the first time opened a stall to present scientific and educational nanotechnology products in Tehran International Book Fair. ( 11:56:42 - 2013/05/09)

Sunshine Could Benefit Health, Prolong Life
TEHRAN (FNA)- Exposing skin to sunlight may help to reduce blood pressure, cut the risk of heart attack and stroke - and even prolong life, a study suggested. ( 11:53:01 - 2013/05/09)

Decline in Snow Cover Spells Trouble for Many Plants, Animals
TEHRAN (FNA)- For plants and animals forced to tough out harsh winter weather, the coverlet of snow that blankets the north country is a refuge, a stable beneath-the-snow habitat that gives essential respite from biting winds and subzero temperatures. ( 11:52:04 - 2013/05/09)

Plants Talk to Plants to Help Them Grow
TEHRAN (FNA)- Having a neighborly chat improves seed germination, finds research in BioMed Central's open access journal BMC Ecology. ( 08:16:11 - 2013/05/08)

Bats Use Blood to Reshape Tongue for Feeding
TEHRAN (FNA)- Scientists said they have found that a species of bat uses blood flow to reshape its tongue while feeding. The quick dynamic action makes the tongue an effective "mop" for nectar and could even inspire new industrial designs. ( 08:01:17 - 2013/05/08)

Brighter Clouds Helping Cool Earth's Climate
TEHRAN (FNA)- University of Manchester scientists, writing in the journal Nature Geoscience, have shown that natural emissions and humanmade pollutants can both have an unexpected cooling effect on Earth's climate by making clouds brighter. ( 10:05:40 - 2013/05/07)

Flame Retardants May Be Toxic to Children
TEHRAN (FNA)- Chemicals called polybrominated diphenyl ethers (PBDEs) have been used for decades to reduce fires in everyday products such as baby strollers, carpeting and electronics. ( 09:50:35 - 2013/05/07)

Suicide Rates Soaring among Middle-Aged US Adults
TEHRAN (FNA)- A new report by the Centers for Disease Control (CDC) revealed that the suicide rate among middle-aged Americans increased during recent decade. ( 12:25:48 - 2013/05/06)