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FINDINGS: Scientists at the Whitehead Institute for Biomedical Research and the National University of Singapore have discovered the first microRNA (miRNA) capable of directly tamping down the activity of the well known tumor-suppressor gene, p53, While p53 functions to prevent tumor formation, the p53 gene is thought to malfunction in more than 50% of cancerous tumors.

RELEVANCE: The study reports the first time a miRNA has been shown to directly affect the p53 protein level, although researchers have previously identified other genes and miRNAs that indirectly affect p53's activity.


They say a picture tells a thousand stories, but can it also tell how smart you are?  Yes, say UCLA researchers. 

In a Journal of Neuroscience study, UCLA neurology professor Paul Thompson and colleagues used a new type of brain-imaging scanner to show that intelligence is strongly influenced by the quality of the brain's axons, or wiring that sends signals throughout the brain. The faster the signaling, the faster the brain processes information. And since the integrity of the brain's wiring is influenced by genes, the genes we inherit play a far greater role in intelligence than was previously thought. 
The next time an overnight snow begins to fall, take two bricks and place them side by side a few inches apart in your yard.  In the morning, the bricks will be covered with snow and barely discernible. The snowflakes will have filled every vacant space between and around the bricks.

What you will see, says Ivan Biaggio, an associate professor of physics at Lehigh University, resembles a phenomenon that, when it occurs at the smallest of scales on an integrated optical circuit, could hasten the day when the Internet works at superfast speeds.
NASA scientists analyzing the dust of meteorites say they have discovered new clues to a long-standing mystery about how life works on its most basic, molecular level.

Over the last four years, the team carefully analyzed samples of meteorites with an abundance of carbon, called carbonaceous chondrites. The researchers looked for the amino acid isovaline and discovered that three types of carbonaceous meteorites had more of the left-handed version than the right-handed variety – as much as a record 18 percent more in the often-studied Murchison meteorite. 
Eating dog meat is common in Asia. In two case studies published by PLoS Medicine, researchers analyzed situations in Hanoi where men died from laboratory-confirmed rabies.

The first patient was a 48-year-old male construction worker, with no preceding medical illnesses who was, among other symptoms, unable to swallow due to involuntary inspiratory muscle spasms.  The second patient was a 37-year-old male farmer, without any prior medical history and similar symptoms.
A novel motion sensor developed by the Fraunhofer Institutes for Applied Polymer Research IAP in Potsdam-Golm and for Computer Architecture and Software Technology FIRST in Berlin could  enable window panes and glass doors to detect movements, thanks to a new pecial coating.

If anything changes in front of the pane, or someone sneaks up to it, an alarm signal is sent to the security guard. 

Your cat is going to have a lot of fun with that, right?   Luckily, threshold for the alarm can be set, so that small moving objects  do not trigger an alarm.