Brightsurf Science News & Current Events

May 08, 2005
Depression gene may weaken mood-regulating circuit
A brain scan study suggests that a suspect gene may increase susceptibility to anxiety and depression by weakening a circuit for processing negative emotion.

Several years in small classes in elementary school yields big rewards at graduation time
A new study involving a large sample of students followed for 13 years shows that four or more years in small classes in elementary school significantly increases the likelihood of graduating from high school, especially for students from low-income homes. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to