By Bernadette Toner

A team of researchers at Boston University is developing a microfluidic chip using a PCR alternative, claiming it could serve as the basis for low-cost, handheld molecular diagnostics for use in global health environments.

The key to the system is helicase-dependent amplification, an isothermal amplification method that is similar to PCR in many ways but does not require a thermal cycler, and is therefore more suitable for in-field use.

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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.