Urine sensors to be tested in Boston transit elevators

The Massachusetts Bay Transportation Authority is launching a pilot program this summer with urine detection sensors placed in four downtown elevators. The MBTA said public urination is not only unsanitary but can also damage elevators.

Robotic buoys developed to keep Atlantic right whales safe

A Cape Cod science center and one of the world’s largest shipping businesses are collaborating on a project to use robotic buoys to protect a vanishing whale from lethal collisions with ships. A lab at Woods Hole Oceanographic Institution developed the technology, which uses buoys and underwater gliders to record whale sounds in near real time.