The Waltham Public Library hosted naturalist Jonathan Kranz, who led a small audience through the joys and practicalities of foraging for mushrooms in New England.

The treatment for white spots on teeth will depend on their cause. Options include composite resin treatment, managing tooth decay, avoiding sugary drinks, and adjusting fluoride use. White spots ...

coli and Serratia marcescens are two bacteria. They interacted with Candida tropicalis, which is the fungi, and they formed what we call biofilm. You know what a biofilm? It’s like the plaque in our ...