KRWG Online The Science Digest - Fetal Hemoglobin KRWG | By Vince Gutschick Published May 4, 2021 at 8:45 AM MDT Facebook Twitter LinkedIn Email Listen • 1:27 New Mexico Health and Human Services Dept. What does a human fetus have in common with a goose at a high altitude? Vince Gutschick tells us in this week’s Science Digest.