Medical research would be much harder without animal subjects, and researchers are increasingly using animals either injected with human cells or with human tissue grafts to get a more accurate understanding of how a compound or drug works in people. A leading panel of scientists and ethicists has released a report calling for more scrutiny, regulation, and legal boundaries on this type of research, says the Guardian's Alok Jha.

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Using DNA to sketch crime victims might not be a great idea, the NYTimes says.

Science has its own problem with sexual harassment. What do we do with the research these abusers produce, Wired asks.

Senate Republicans led by Senator Rand Paul (R-KY) are trying to change how the government funds basic research, reports ScienceInsider.

In Science this week: combining genomics and ecology to better understand the effects of natural selection on evolution, and more.