When Barack Obama told a crowd at a campaign event on Tuesday, “You can put lipstick on a pig, but it’s still a pig,” the McCain campaign swiftly took offense, claiming the analogy was directed at ...
Genes encode proteins and proteins dictate cell function. Therefore, the thousands of genes expressed in a particular cell determine what that cell can do. Moreover, each step in the flow of ...
Figure 4: Comparison of gene-expression pattern during differentiation of ZHBTc4 and ZHTc6 ES cells. These findings establish that removal of Oct-3/4 results in a respecification of ES cell fate. We ...
Freedom of speech is a bellwether: how any society tolerates those with minority, disfavored, or even obnoxious views will often speak to its performance on human rights more generally. In ...
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