How much do scientists know and how much do they guess at, asks The New York Times' James Gorman. It may seem counterintuitive, but speculation in science is important, he says, and does have its place among the facts and data.
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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.