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A neutrino has a mass, physics says, but it is elusive to figure out and extremely hard to measure – a neutrino is capable of passing through a light year (about six trillion miles) of lead without hitting a single atom.

Meet Lucy's 'great-grandfather'.   Scientists from The Cleveland Museum of Natural History, Kent State University, Case Western Reserve University, Addis Ababa University and Berkeley Geochronology Center were part of an international team that discovered and analyzed a 3.6 million-year-old partial skeleton found in Ethiopia. They say the early hominid is 400,000 years older than the famous Lucy skeleton and that their research on this new specimen indicates that advanced human-like, upright walking occurred much earlier than previously thought. 

The partial skeleton belongs to Lucy's species, Australopithecus afarensis. It was found in the Woranso-Mille area of Ethiopia's Afar region by a team led by first author Dr.

In the year since their 2008 preliminary ranking, Cell Stem Cell and Cell Host and Microbe saw their Impact Factors surge, according to new data released in the 2009 Journal Citation Reports(c) published by ThomsonReuters.   The Impact Factor is a measure of the frequency with which the average article in a journal has been cited in a particular year. The Impact Factor helps to evaluate a journal's relative importance, especially when compared with others in the same field.

In the report released June 17, Cell Stem Cell's rating rose to 23.563 - a growth of 40% from the journal's previous score. Cell Host and Microbe ranks 13.021 - boasting an increase of 75% from the journal's 2008 Impact Factor.

High-resolution images show that the solar corona is filled with large, banana-shaped magnetic structures called coronal loops. It is thought that these coronal loops, some over a few 100,000 km long, play a fundamental role in governing the physics of the corona and are even responsible for huge atmospheric explosions that occur in the atmosphere, what we call solar flares.
As if a vaguely distant coach and a missing striker who doesn't like his fans is not bad enough, a new study says Scots are more patriotic than those in England. 

Dr. Jackie Abell from Lancaster University, writing in the British Psychological Society's Journal of Social Psychology, said the study set out to understand the differences between how the Scottish and the English demonstrate their nationalism via support for the national football team.
One thing the film industry get right - and they don't get much right, since romantic comedy behavior in real life is likely to get you a restraining order - is that music evokes moods.

French researchers (naturally) say they have determined that if you want to successfully ask a woman on a date, the right soundtrack could improve the odds. They found women were more prepared to give their number to an ‘average’ young man after listening to romantic background music.