Report: Search for habitable planets should be more conservative

Scientists should take the conservative approach when searching for habitable zones where life-sustaining planets might exist, according to James Kasting, Evan Pugh Professor of Geosciences at Penn State, including when building Terrestrial Planet Finders.

Right-wingers have larger fear center in the brain

People with conservative views have a larger amygdala, a primitive part of the brain associated with fear, new research shows.