Catalyst - Mega Tsunamis, Allergy Pill, Nature Play

Seizoen: 2014 - Aflevering: 12 / 158 - Eerst uitgezonden: 02 oktober 2014 - Episode ID: 1034113

Ground breaking Japanese research reveals clues about future hazards for tsunami-prone countries. How playing outdoors can improve children's health and could the bacteria in our stomach ulcers help cure allergies.