Trees with smoother bark are better at repelling attacks by mountain pine beetles, which have difficulty gripping the slippery surface, according to a new study by the University of Colorado Boulder.

Clockwise from top left: (1) Two lodgepole pines growing side-by-side with notably different bark textures, (2) a rough-barked limber pine that has been attacked by bark beetles, (3) a limber pine ...

Dear Dr. Gott: Recently, I read your reply to a reader suffering from constant nausea for no apparent reason. I have lived with the same affliction for the past six years and have found a very safe, ...

Slippery elm's most popular use is for the treatment of inflammatory conditions of the gastrointestinal tract. Slippery elm’s most popular use is for the treatment of inflammatory conditions of the ...