Eric Schmid

Barges can move cargo with less fuel than a truck or train. But environmental experts are skeptical of emissions calculations.

A research team from multiple universities is developing technology that can detect salmonella contamination in a matter of minutes. They aim to take the results from sensors and pair them with other data to strengthen the safety and resilience of the supply of chicken.

Many cities along the Mississippi are redeveloping their riverfronts. But these projects are often threatened by flooding.