Protein Robustness Promotes Evolutionary Innovations On Large Evolutionary Time Scales Do some biological systems have a greater ability to innovate than others? Previous work suggests that a protein molecule's ability to evolve neutrally may facilitate evolutionary innovations. Here, we ask whether this ability - a measure of a molecule's robustness - facilitates evolutionary innovation on large time scales.
Source: www.medicalnewstoday.comAverage Prescription Drug Copayment Decreased In 2007 Because Of Increased Use Of Generic Medications, Report Finds The average
prescription drug copayment for patients in 2007 decreased by 25 cents to $13.20 -- the first such decrease in at least five years -- as the average total cost of such medications increased from $55.01 in 2002 to $55.93 in 2007, according to a report released on Wednesday by pharmacy benefit manager Express Scripts, the AP/Philadelphia Inquirer reports.
Source: www.medicalnewstoday.com
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