An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Initial state tests reveal extremely high concentrations of an especially ...

In many industrial processes, such as in bioreactors that produce fuels or pharmaceuticals, foam can get in the way. Frothy bubbles can take up a lot of space, limiting the volume available for making ...