Dr. Bortrum

Stripping and remaking a heart; alarming Antarctic melting

Why are you you and me me? Decoding DNA and making skin cells stem cells.

Reprise of an earlier column on Moore''s Law and the field effect transistor

Updates on TB, cosmic rays and animal navigation

Young and old songbirds from the west fly in different directions when captured and released from New Jersey

Start-up wins security challenge prize for night vision work

Abul Hussam and Bangladesh benefit greatly from three-bucket filter for removing arsenic from groundwater

A fifth planet found orbiting 55 Cancri; positive and negative studies on vitamin D

A Bell Labs colleague fights seasonal affective disorder (SAD)

Not enough (or too much) sunshine can have serious health-related consequences