He heads the first-ever clinical trial of umbilical cord stem cells with cerebral palsy patients.

VOA: special.2011.02.01

For some people, policies about stem-cell research, same-sex marriage and abortion rights threaten religious beliefs.

VOA: special.2009.05.22

Seventy-seven percent said not enough women and minorities are working in STEM professions today.

VOA: special.2010.04.01

Stem rust produces reddish-brown spots on the stems of infected plants.

VOA: special.2009.08.18

(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

In order to attract the rabbit's own stem cells to re-grow the cartilage, channels in the scaffold were filled with a growth factor protein.

VOA: standard.2010.08.11

In addition to her research and teaching, Fuchs serves as president of the American Society for Cell Biology, and is president-elect of the International Society for Stem Cell Research.

VOA: standard.2010.03.29

She said the Obama administration intends to devote hundreds more agents and more effective equipment to stem gun-running across the border and curb illegal purchases in U.S.gun shops by so-called "straw men" fronting for Mexican criminals.

VOA: standard.2009.03.25

At a similar gathering last year, members of the so-called G20 set of advanced economies agreed on emergency spending to stem a global crisis brought on by the collapse of U.S.investment bank Lehman Brothers in late 2008.

VOA: standard.2010.06.05