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Power Rank

New Algorithm Ranks Sports Teams like Google's PageRank

Technology / Computer Sciences

created Dec 15, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- Sports fans may be interested in a new system that ranks NFL and college football teams in a simple, straightforward way, similar to how Google PageRank ranks webpages. The new sports algorithm, ...


Canna can: Ornamental eliminates pollutants from stormwater runoff

Canna can: Ornamental eliminates pollutants from stormwater runoff

Space & Earth / Environment

created Dec 10, 2009 | popularity 4.3 / 5 (3) | comments 0

Rapid population growth and urbanization have raised concerns over stormwater runoff contamination. Studies on watersheds indicate that excess nutrients, specifically nitrate-nitrogen and soluble reactive ...


Game Theory: Researchers examine what makes video games click with players -- or not

Game Theory: Researchers examine what makes video games click with players -- or not

Technology / Software

created Nov 30, 2009 | popularity 3 / 5 (3) | comments 0

Every Friday afternoon, the Singapore-MIT GAMBIT Game Lab opens its doors to anyone who wishes to drop by and play. On one such recent day, Jason Begy, a graduate student in the Comparative Media Studies program ...


Physical scientists will apply laws of physics in cancer fight

Medicine & Health / Cancer

created Oct 26, 2009 | popularity 4 / 5 (1) | comments 0

Instead of killing cancer cells, researchers at Arizona State University will use the laws of physics to figure out how to control them. And, rather than treating cancer as a disease and seeking a cure, ASU scientists will ...


Scientists bend nanowires into 2-D and 3-D structures

Scientists bend nanowires into 2-D and 3-D structures

Nanotechnology / Nanophysics

created Oct 21, 2009 | popularity 4.3 / 5 (7) | comments 0

(PhysOrg.com) -- Taking nanomaterials to a new level of structural complexity, scientists have determined how to introduce kinks into arrow-straight nanowires, transforming them into zigzagging two- and three-dimensional ...


A Second Look at Apollo 11

A Second Look at Apollo 11

Space & Earth / Space Exploration

created Oct 01, 2009 | popularity 4.6 / 5 (14) | comments 10

A month after LROC's first image of the Apollo 11 landing site was acquired, LRO passed over again providing the LROC instrument a new view of the historic site. ...


Studying ancient man to learn to prevent disease

Medicine & Health / Diseases

created Sep 15, 2009 | popularity 5 / 5 (9) | comments 2

Health care as we know it didn't exist 3,000 years ago. But along the Georgia coast, the Pacific Northwest, and coastal Brazil, people grew tall and strong and lived relatively free of disease. They ate game, fish, shellfish ...


Man-made crises 'outrunning our ability to deal with them,' scientists warn

Space & Earth / Environment

created Sep 11, 2009 | popularity 2.6 / 5 (14) | comments 41

The world faces a compounding series of crises driven by human activity, which existing governments and institutions are increasingly powerless to cope with, a group of eminent environmental scientists and economists has ...


How to Measure What We Don't Know

Physics / General Physics

created Sep 10, 2009 | popularity 4.7 / 5 (24) | comments 11

(PhysOrg.com) -- How do we discover new things? For scientists, observation and measurement are the main ways to extract information from Nature. Based on observations, scientists build models that, in turn, are used to make ...


Prehistoric tools discovered at Isles of Shoals

Prehistoric tools discovered at Isles of Shoals

Other Sciences / Archaeology & Fossils

created Aug 27, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- Summer students in Cornell's new Archaeology Field School at Shoals Marine Laboratory, Cornell's marine field station, have discovered the first prehistoric archaeological site in the Isles ...


Physicist Proposes Solution to Arrow-of-Time Paradox

Physicist Proposes Solution to Arrow-of-Time Paradox

Physics / General Physics

created Aug 27, 2009 | popularity 4.2 / 5 (74) | comments 108

(PhysOrg.com) -- Entropy can decrease, according to a new proposal - but the process would destroy any evidence of its existence, and erase any memory an observer might have of it. It sounds like the plot ...


Gene variations can be barometer of behavior, choices

Gene variations can be barometer of behavior, choices

Medicine & Health / Neuroscience

created Jul 20, 2009 | popularity 5 / 5 (5) | comments 0

Researchers at Brown University and the University of Arizona have determined that variations of three different genes in the brain (called single-nucleotide polymorphisms) may help predict a person's tendency ...


Physics education improves when students make their own computer models

Other Sciences / Social Sciences

created Jul 02, 2009 | popularity 4.5 / 5 (2) | comments 0

A current trend in secondary science education is for students to learn by discovering for themselves how things work. Computer modelling is a teaching method that fits in nicely with this trend and also with new learning ...


A new class of dim supernovae

A new class of dim supernovae

Space & Earth / Astronomy

created Jun 05, 2009 | popularity 4.9 / 5 (8) | comments 5

The colossal stellar explosions called supernovae come in many kinds and flavours. Some of them are produced when a massive star reaches the end of its life in a sudden gravitational collapse. Astronomers ...


Cream with green tea extract hinders HIV transmission: study

Medicine & Health / HIV & AIDS

created May 19, 2009 | popularity 5 / 5 (1) | comments 1

A chemical found in green tea helps inhibit sexual transmission of the virus which causes AIDS, said a study Tuesday that recommends using the compound in vaginal creams to supplement antiretrovirals.