Plant expert Doug Welsh says when you prune a rosebush, crape myrtle or shade tree, first remove dead, broken or diseased parts.

VOA: special.2009.10.06

The expert review also found insufficient evidence to recommend any drugs or dietary supplements that could prevent or slow cognitive decline.

VOA: standard.2010.06.17

Under his expert hands, paper of almost any type, stiffness or thickness can be turned into a work of art.

VOA: standard.2010.03.17

our chimps even have televisions." But such creature comforts don't change the fact that chimpanzees used in medical research may suffer or die, and that's unacceptable to famed primate expert Jane Goodall.

VOA: standard.2010.02.16