Elizabeth Blackburn and Jack Szostak discovered the exact order of genetic information that protects chromosomes from ruin.

VOA: special.2009.12.08

By comparing rings from different trees and with other historical data, you can often identify particular rings with the exact calendar year that they grew.

VOA: standard.2010.04.05

These are phony claims meant to divide us,". In the Republican Party response, Congressman Tom Price from the Southern state of Georgia says Mr.Obama is not telling the exact truth about health care.

VOA: standard.2009.08.22