Editor’s Picks 3/23/2014

Editor's Selections 17 Comments
By Wesley Dodson

For the first time, researchers have transformed induced pluripotent stem cells (iPSCs) into specialized bladder cells. Meanwhile the development of iPSCs from normal cells has been shown to depend on two proteins necessary for the induction of a glycolytic state. In order to make iPSCs, researchers have previously needed to collect significant amounts of skin, bone marrow, or blood from a donor, but researchers have demonstrated a new method that requires only a single drop of blood.  In the future, you may be able to prick your finger, send a drop of blood to the lab, and have them grow a new bladder for you.

Paleontologists digging in the Dakotas have discovered “a giant crested bird-like dinosaur that the experts liken variously to an outsized cassowary, or a ‘chicken from hell.’”  The new genus of oviraptorosaur was named Anzu after a Mesopotamian bird-demon.

By coating gallium nitride semiconductors with “a layer of phosphonic acid derivatives,” researchers increased the brightness and longevity of LEDs without having to increase energy input.

Human appetite for conch snails has reduced the size of mature specimens by 2/3 in the last seven millennia.

A study of dioxin exposure via breast milk in Vietnam showed a correlation between levels of the chemical and development of autism in children.

Regardless of how long you spend playing, video games (especially those played with others) may help you relax after a long day at work.

Mexico now beats the U.S. as the most obese country in the world; they also drink the most Coca-Cola.  With Coke expanding aggressively in developing nations, chronically undernourished people are faced with too much of a good thing.

Getting less sleep is associated with having less ‘gray matter’ in the brain, but researchers can’t determine the direction of causality.  In another study, autistic children demonstrated shorter sleep duration than control groups.

Among sex-changing fish, the largest females are known to replace dominant males in a pinch, but male-to-female transitions are much more rare.  By studying a bunch of widowed male wrasses, researchers observed that the males would pair up with the next individual they encountered–whether male, female, or juvenile–and when two widowed males paired up, the smaller would become a female.

Baseline risk of ACL and other ligament injury may be genetically determined.

To accelerate word learning in young children, read them a story and then put them down for a nap.

Lithium-air batteries use the atmosphere as a cathode and could boost the range of electric vehicles to 300 miles or more.

Computational research has postulated the structure of electromagnetic knots that satisfy Maxwell’s equations.

And finally, a study of stem cell therapy for Lou Gehrig’s disease (or ALS) showed that the cells can be safely transplanted into the spinal cord and do not accelerate progression of the disease, providing a green light for further research.

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17 Responses to “Editor’s Picks 3/23/2014”

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