Thursday, June 21, 2001

Stem Cell Policy

10 a.m. (ET)

Stem cell research promises to provide new therapies, preventive measures and even cures for some major human diseases and disorders. But some policymakers, like many Americans, have deep misgivings about the use of human embryonic tissue...

Sue Halpern: "Four Wings and a Prayer" (Pantheon)

11 a.m. (ET)

Every year, millions of monarch butterflies migrate from Canada and the northeastern United States to one 50-acre plot in Mexico. Scientists still don't fully understand how and why the butterflies return to the same spot year after year...

The Diane Rehm Show is produced by member-supported WAMU 88.5 in Washington DC.