The Life and Death of Comet ISON
by Corey S. Powell
The most anticipated astronomical event of 2013 is a tale of self-destruction more than 4 billion years in the making.
Endangered Forest Elephants, Caught in the Crossfire
by Kenneth Miller
A researcher turns activist when violence and political chaos in the Central African Republic put the elephants she studies — and her life's work — in peril.
Extreme Chemical Sensitivity Makes Sufferers Allergic to Life
by Jill Neimark
Its sufferers were once dismissed as hypochondriacs, but there's growing biological evidence to explain toxicant-induced loss of tolerance (TILT).
Willfully Rewiring the OCD Brain
by Steve Volk
A groundbreaking therapy for obsessive compulsive disorder suggests even adult brains have neuroplasticity.
Discover, 2013, November