ScienceDaily: Most Popular News

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• Written all over your face: Humans express four basic emotions rather than six
• Prototype of single ion heat engine created
• Red alert: Body kills 'spontaneous' blood cancers on a daily basis
• DNA of peanut-allergic kids changes with immune therapy, study finds
• Divorce rate cut in half for newlyweds who discussed five relationship movies

Written all over your face: Humans express four basic emotions rather than six Posted: 03 Feb 2014 08:35 AM PST Human beings are emotional creatures whose state of mind can usually be observed through their facial expressions. A commonly-held belief posits there are six basic emotions which are universally recognized and easily interpreted through specific facial expressions, regardless of language or culture. These are: happiness, sadness, fear, anger, surprise and disgust. New research suggests that in fact, there are really only four.

Prototype of single ion heat engine created Posted: 03 Feb 2014 07:10 AM PST Scientists are working on a heat engine that consists of just a single ion. Such a nano-heat engine could be far more efficient than, for example, a car engine or a coal-fired power plant.

Red alert: Body kills 'spontaneous' blood cancers on a daily basis Posted: 02 Feb 2014 10:23 AM PST Immune cells undergo 'spontaneous' changes on a daily basis that could lead to cancers if not for the diligent surveillance of our immune system, scientists have found.

DNA of peanut-allergic kids changes with immune therapy, study finds Posted: 31 Jan 2014 12:02 PM PST Treating a peanut allergy with oral immunotherapy changes the DNA of the patient's immune cells, according to a new study. The DNA change could serve as the basis for a simple blood test to monitor the long-term effectiveness of the allergy therapy.

Divorce rate cut in half for newlyweds who discussed five relationship movies Posted: 31 Jan 2014 10:05 AM PST Discussing five movies about relationships over a month could cut the three-year divorce rate for newlyweds in half, researchers report. The study, involving 174 couples, is the first long-term investigation to compare different types of early marriage intervention program

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