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Tue, 22 Apr 2014 13:09:44 EDT
Mantis shrimp stronger than airplanes: Composite material inspired by shrimp stronger than standard used in airplane frames
Inspired by the fist-like club of a mantis shrimp, researchers have developed a design structure for composite materials that is more impact resistant and tougher than the standard used in airplanes. The peacock mantis shrimp, or stomatopod, is a 4- to 6-inch-long rainbow-colored crustacean with a fist-like club that accelerates underwater faster than a 22-calibur bullet.
Tue, 22 Apr 2014 13:09:38 EDT
Neuroimaging Technique: Live from inside the cell in real-time
A novel imaging technique provides insights into the role of redox signaling and reactive oxygen species in living neurons, in real time. Scientists have developed a new optical microscopy technique to unravel the role of 'oxidative stress' in healthy as well as injured nervous systems.
Tue, 22 Apr 2014 13:08:51 EDT
How cells take out the trash
As people around the world mark Earth Day (April 22) with activities that protect the planet, our cells are busy safeguarding their own environment. To keep themselves neat, tidy and above all healthy, cells rely on a variety of recycling and trash removal systems. If it weren't for these systems, cells could look like microscopic junkyards -- and worse, they might not function properly.
Tue, 22 Apr 2014 12:54:27 EDT
For an immune cell, microgravity mimics aging
Telling someone to "act your age" is another way of asking him or her to behave better. Age, however, does not always bring improvements. Certain cells of the immune system tend to misbehave with age, leaving the elderly more vulnerable to illness. Because these cells are known to misbehave similarly during spaceflight, researchers are studying the effects of microgravity on immune cells to better understand how our immune systems change as we age.
Tue, 22 Apr 2014 12:12:39 EDT
First size-based chromatography technique for the study of livi
Using nanodot technology, researchers demonstrated the first size-based form of chromatography for studying the membranes of living cells. This unique physical approach to probing cellular membrane structures reveals critical information that can't be obtained through conventional microscopy.
Tue, 22 Apr 2014 12:12:37 EDT
Neurotics don't just avoid action: They dislike it, study finds
Neurotics don't just avoid taking action. By their very nature they dislike it. A study of nearly 4,000 college students in 19 countries has uncovered new details about why neurotic people may avoid making decisions and moving forward with life. Turns out that when they are asked if action is positive, favorable, good, they just don't like it as much as non-neurotics. Framing communication messages that get around this roadblock is a key to success communication with neurotic folks.
Tue, 22 Apr 2014 12:12:33 EDT
Applying math to biology: Software identifies disease-causing mutations in undiagnosed illnesses
A computational tool has successfully identified diseases with unknown gene mutations in three separate cases. Sequencing the genomes of individuals or small families often produces false predictions of mutations that cause diseases. But this study shows that a new unique approach allows it to identify disease-causing genes more precisely than other computational tools.
Tue, 22 Apr 2014 12:10:01 EDT
Fat metabolism in animals altered to prevent most common type of heart disease
Working with mice and rabbits, scientists have found a way to block abnormal cholesterol production, transport and breakdown, successfully preventing the development of atherosclerosis, the main cause of heart attacks and strokes and the number-one cause of death among humans. The condition develops when fat builds inside blood vessels over time and renders them stiff, narrowed and hardened, greatly reducing their ability to feed oxygen-rich blood to the heart muscle and the brain.
Tue, 22 Apr 2014 12:08:01 EDT
Surface modification of titanium dioxide for photocatalytic degradation of hazardous pollutants under ordinary visible light
Researchers have developed a modified photocatalyst which is economical and effective at transforming organic pollutants into harmless end products. Photocatalytic degradation is one of the highly effective applications in transforming organic pollutants to harmless end products at ambient conditions using light and a photocatalyst.
Tue, 22 Apr 2014 12:07:59 EDT
Major advances in dye sensitized solar cells
Two groups of researchers have recently advanced the field of solar cells with a cheaper and efficient replacement for platinum and better synthesis of zinc oxide. Working on dye-sensitized solar cells -- researchers in Malaysia have achieved an efficiency of 1.12%, at a fraction of the cost compared to those used by platinum devices.
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