Returning from a two-week hiatus, the BCW Index gained 1.8 percent for the past three weeks Stratagene posted by far the biggest loss for both the past week and the three-week tracking period, after a jury found the firm had willfully infringed patents held by Third Wave Technologies and ordered Stratagene to pay damages of $5.3 million (see related article). For the four days ended Tuesday, Stratagene's shares fell 16.6 percent, and for the three-week tracking period, the shares dropped 18.7 percent.

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Researchers find that historical factors influence which genes are the most highly studied, the Atlantic reports.

The US National Science Foundation's new sexual harassment policy is to go into effect next month, according to Nature News.

Researchers report using genotyping to tie together illegal ivory shipments and trace them back to a handful of cartels, the New York Times reports.

In Nature this week: genomic ancestry analysis of Sardinians, current noncoding mutations in colorectal cancer, and more.