Science News Archive - June 11, 2003

By Randy Dotinga, HealthDay ReporterHealthDayNews -- Identical twins who share tight emotional ties along with their genes may be boosting their life spans, researchers report.But such close bonds don't appear to do anything to extend the lives of fraternal twins, says study author Malcolm D.

Word of the Day
  • The word or words serving to define another word or expression, as in a dictionary entry.
The word 'definiens' comes from the Latin word 'definire', 'to define'.