Trapping particles, like DNA, is a first step to being able to analyze them, and there are different ways to catch them, such as using a nanopore or an optical tweezer. "It occurred to me, as a person who has spent my career doing nanofabrication, that the efforts to make small physical nanopores — about two to four nanometers [wide] — for DNA sequencing was going to be very difficult and extremely challenging to manufacture, get reproducibility [or] yield," says Mark Reed, a professor of engineering at Yale University.

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The Trump Administration has proposed a plan to reorganize the federal government, the Washington Post reports.

Lawmakers have asked four direct-to-consumer genetic testing companies to explain their privacy policies and security measures, according to Stat News.

In Science this week: genetic overlap among many psychiatric disorders, and more.

The Economist writes that an increasing number of scientific journals don't do peer review.