New findings have resolved a decades-old puzzle about a fog of low-energy X-rays observed over the entire sky. Thanks to refurbished detectors first flown on a NASA sounding rocket in the 1970s,…

Mission Accomplished. Now it's time to go back home. After two space shuttle missions and almost two decades, astronaut Mike Massimino has left NASA for Columbia University in New York. During the…

Impact factor, the relative authority of a journal based on article quality, is maligned by people who can't get into top-tier publications but though it was originally created to help libraries…

Marketing experts have long wanted a reliable method of forecasting responses to products and messages. A study that analyzed the brain responses of 16 individuals says even a few people can be a…

In Lewis Caroll's novel "Alice in Wonderland", the Cheshire Cat could disappear but its grin remained.  Why? Who knows? Like dogs named Checkers and Esther Williams swimming pools, things don't…

Achalasia is a rare disease, affecting 1 in 100,000 people, characterized by a loss of nerve cells in the esophageal wall and manifested as chest pain during eating, weight loss, and regurgitation of…

Two new papers postulate that there will be a water crisis by 2040. Not because of population, but because of current energy and power solutions.  And they believe solar and wind power is the…

Yelp, a local business review site, has released an updated API which increases the number of data calls to 25,000 per day, a big switch from an earlier 100 cap.  And it's free. Why the change…

Teach For America is a group that recruits recent college graduates to teach in poorer public schools for two years, the idea being that they would be better than substitute teachers in those…

Beginning in 1969, a court decision, motivated by a lack of racial integration in schools, led to students being shipped to schools in other neighborhoods. As part of a political campaign against…