Bacteria are useful for myriad applications. Delft University of Technology's Henk Jonkers has recently shown that water-activated bacteria, when worked into concrete, act like osteoblasts do in bones, allowing the concrete to "heal" itself and patch up small cracks, reports New Scientist's Kate McAlpine. Such adjustments to concrete could save cities and towns a lot of time and money when fixing their infrastructure.

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The Associated Press reports that the US government wasted $341,000 on travel by former Health and Human Services Secretary Tom Price.

The Wall Street Journal writes that participating in genetic research brings up the specter of past research ethics lapses for some African Americans.

Women who post YouTube science videos get more critical comments and more comments about their appearance than male video hosts, the New York Times reports.

In PLOS this week: sequences influencing yeast prion aggregation or degradation, dengue virus genetic variants affect transmission dynamics, and more.