WEBVTT SLEUTHING LED TO A REUNION HERE IN MILWAUKEE. >> DENNIS WALTER, KERRY ANDERSON, AND ELLEN KREGER ARE HALF-SIBLINGS CATCHING UP ON LOST TIME. AND LEARNING ABOUT THEIR SIMILARITIES. >> OUR HAIR.

The Science of Siblings is a new series exploring the ways our siblings can influence us, from our money and our mental health all the way down to our very molecules. We'll be sharing these stories ...

NEW HAVEN, Conn. -- Two biological sisters separated by adoption discovered they were siblings while working in the same restaurant. Cassandra Madison and Julia Tinetti began working together at The ...