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| Posted: 04 Mar 2014 06:54 PM PST The lower the ratio between a person's index finger (2D) and their ring finger (4D), the higher their risk of developing severe osteoarthritis in their knees, requiring a total knee replacement, new research shows. Anthropological studies have suggested that there are consistent sex differences in the ratio of the lengths of the index and ring fingers (expressed as 2D:4D), with men showing a lower average 2D:4D than women. The aim of this new study was to determine whether 2D:4D was associated with the risk of severe knee or hip OA requiring total joint replacement in a large cohort study. |
| Voters using smartphones made fewer errors in mock election Posted: 04 Mar 2014 06:50 AM PST Voters who cast their ballots via smartphones made fewer errors than they did when voting via traditional methods in a mock election, according to new research. Researchers found that while there are no consistent differences in efficiency and perceived usability between the smartphone-based system and other voting systems, smartphone owners made fewer errors on the mobile voting system than when they used traditional voting methods. |
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