* 4x/xx/xx      Bone Graft Surgery
* xx/xx/07    5 Atomic Energy
* xx/xx/07    6 Leonardo Da Vinci
* xx/xx/xx   38 Time
* xx/xx/xx   63 Story of Languages
* xx/xx/xx   67 200,000 Flyers
* xx/xx/xx   68 Witchcraft
* xx/xx/xx   69 Invisible Eye
* xx/xx/xx   72 Saga of a Storm
* xx/xx/xx   75 Atomic Energy
* xx/xx/xx   76 Leonardo Da Vinci
* xx/xx/xx   78 Steam Pressure
* xx/xx/xx   81 The Pinwheel Role
* xx/xx/xx   96 Diabetes
* xx/xx/xx   97 Sign Language
* xx/xx/xx  100 Scientific Crime Detection
* xx/xx/xx  104 Darwin Science
* xx/xx/xx  108 How Fast Can a Plane Fly
* xx/xx/xx  114 She-Devil
* xx/xx/xx  115 The Secret War on Wolfram
* xx/xx/xx  118 The Builders of the Bridge
* xx/xx/xx  124 Inside the Camera
* xx/xx/xx  127 Flying Laboratory
* xx/xx/xx  128 Listening In
* xx/xx/xx  129 Lights On
* xx/xx/xx  130 Rockets Away
* xx/xx/xx  134 The Bells Toll
* xx/xx/xx  135 The Doctor & the President