Stem cells have the ability to grow other cells, such as heart, nerve or brain cells.

VOA: special.2010.06.15

(SAYING...) Nearly two-thirds of those polled said women and minorities in STEM careers were under-represented in their companies or institutions.

VOA: standard.2010.03.26

It did not stem overpopulation, cut poverty, lower the divorce rate or put an end to unwanted pregnancies.

VOA: standard.2010.05.12