Conflict & Justice

Strands of Evidence: Hair Forensics

What you eat ends up in your hair. Scientists in the US and Europe have used this basic idea to devise a sort of hair-based GPS tracking system. Law enforcement agencies are now using this technique to solve crimes. NOVA's Ari Daniel Shapiro reports.


Elk Farming or Hunting?

Idaho could join other western states in banning private elk ranches over concerns about ethical hunting and weakening the wild herd.

Raptor Ruin

Researchers want to know why barn owls are dying by the thousands on busy roads, whether in Idaho or the United Kingdom.