Invitrogen Advances 8 Percent on Index

Shares of Invitrogen closed up at $58.49 at market close on Tuesday, 9 percent over last week’s close, to lead gainers over the week on BioCommerce Week’s Index to the Diversified Biology Tools Companies. Overall, the index finished up for a third-straight week at $32.19 from $31.71 one week ago (see table).

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The Associated Press reports that the US government wasted $341,000 on travel by former Health and Human Services Secretary Tom Price.

Women who post YouTube science videos get more critical comments and more comments about their appearance than male video hosts, the New York Times reports.

The Wall Street Journal writes that participating in genetic research brings up the specter of past research ethics lapses for some African Americans.

In PLOS this week: sequences influencing yeast prion aggregation or degradation, dengue virus genetic variants affect transmission dynamics, and more.