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What is Trisomy 18

in medicine, education

Trisomy 18 is a genetic disorder caused by a chromosomel defect. This is not due to inherent defect in any chromosome, rather the affected individuals have an additional copy of chromosome 18. Trisomy 18 is also called Edwards syndrome, named after John H. Edwards, who first described the syndrome in 1960.

What are Stem Cells? Embryonic and Adult Stem Cells

in medicine, biology, education

A stem cell is an unspecialized cell that is not terminally differentiated and has the potential to acquire a more specialized function by differentiation. Stem cells may be classified based upon their stage of differentiation or their differentiation lineage. All terminally differentiated cells had their beginning in embryonic stem cell progenitors.

ePetri Dish, A Smart Petri Dish From Caltech

in biology, education

The imaging sensor chips in electronic gadgets helped engineers at the California Institute of Technology  transform the way cell cultures are imaged by serving as the platform for a "smart" petri dish, named ePetri.

Study reveals link between early number sense and elementary math scores

in education

The precision with which preschoolers estimate quantities, prior to any formal education in mathematics, predicts their mathematics ability in elementary school, according to research from the Kennedy Krieger Institute.

Is U.S. losing ground in higher education competitiveness?

in education

Will the United States give up its leadership in science and technology?  Newer economies are surging ahead, and in the U.S. recession is further dampening any hope.  It was not long ago that Norm Augustine, former Chairman and CEO of Lockheed Martin, said Americans do not prefer science and

Liars can't completely suppress facial expressions - A new report

in biology, education

A new study reports that although liars can reduce facial actions when under scrutiny, they can't completely suppress them.  The lead author spent two decades studying the faces of people lying when in high-stakes situations and arrived at this conclusion, potentially valuable to security experts.

Children's Personalities Linked to Their Chemical Response to Stress

in education

The basic temperamental patterns, such as cautious and submissive when confronting new environments or bold and assertive in unfamiliar circumstances, seen in kids are linked to opposite hormonal responses to stress.

Impact Factor, the Yardstick for Publishers and Scientists - ‘Black Hat’ and ‘White Hat’ Methods

in technology, education

(Science The previous story described the sigificance of impact factor and how it is calculated.  It is interesting to see how the impact factor of a journal can be influenced by even a few published papers.