This Week in Science

In this week's Science, a California Institute of Technology team describes the construction of a DNA robot capable of carrying and delivering molecular cargo. The robot is formed from a single-stranded DNA with one leg and two foot domains for walking, and one arm and one hand domain for picking up and dropping off cargos.

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

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

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.