From the San Diego Wild Animal Park, Miguel and Paco observe elephants flipping dust and dirt on their backs. An evolutionary expoert at the Wild Animal Park explains why elephants have large, sturdy legs.

FILM INSERT: Gravity.

Robin goes to a California logging camp see forester Becky Robertson. Robertson explains to Robin how certain trees take on some shapes due to sunlight and gravity.

FILM INSERT: Building a skyscrapers.

Jackie talks to Marvel Allen on the Golden Gate Bridge to learn the forces acting on a suspension bridge.

Back at the Wild Animal Park, Miguel and Paco find out how ostriches have survived in their environment. The evolutionary expoert also discusses the strength of an egg, any egg.

THE BLOODHOUND GANG: ""The Case of the Magnetic Woman, Part Two."" Ricardo consults a magician friend to discuss the egg trick. This leads Vikki to consult Lulu Hearst's book on the real Little Georgia Magnet. It lets the Gamg expose the swindle that Billy Chatterton and his father