Catalyst - Eggs on Ice - Brainy Bees - Footprints in Ash

Seizoen: 2009 - Aflevering: 12 / 12 - Eerst uitgezonden: 30 april 2009 - Episode ID: 574708

Eggs on ice, a new freezing technique aiding women who want to wait before giving birth - Insects helping to keep an eye out for terrorists - Footprints in the ash - where the megafauna roamed.