Wolves of Alaska became extinct 12,000 years ago, scientists report
...ammals broke their teeth frequently when they ate, crunching the bones of their prey much more often than their modern counterparts. Why" Because they were hungry, which may have been because it was difficult to catch and hold onto prey when there was much competition and theft among carnivores, forcing them...Gene variant associated with obesity risk found with new statistical technique
...iple comparison problem, which is exacerbated when crunching huge data sets. The more SNPs in a study, the more likelihood of false-positive signals, the increased risk that some SNPs are not tested -- even though they may be viable candidates. Typically, a study would demand a two-step process of 1) initial t...Carnegie Mellon scientists show brain uses optimal code for sound
... through the woods and recorded cracking branches, crunching leaves and wind rustling through leaves before returning to the laboratory to de-code the information contained in this rich set of sounds. They also discovered what they consider the most "natural" sound: if they play back a random set of spikes, it......d before scientists can use it, he explained After crunching the data, the researchers used the model to test a number of strategies to limit the spread of the influenza virus. Since no avian flu vaccine currently exists, they proposed anti-viral prophylaxis as a way to reduce the risk of infection among peopl...