Nearly half of Americans who smoke use menthol cigarettes that are harder to quit, driving up their health risks with every puff. Now, a new University of Michigan study will test the best way to help people who smoke menthol break that habit.

When it comes to upgrading electrical and broadband infrastructure, new research from the University of Massachusetts Amherst shows that a “dig once” approach is nearly 40% more cost effective than replacing them separately. The study also found that the greatest benefit comes from proactively undergrounding lines that are currently above ground, even if lines haven’t reached the end of their usefulness.