6VI More About Living Bricks
32XXXII Having Senses and Using Them
7VII How Much of Us Is Alive
33XXXIII Seeing In The Mind’s Eye
8VIII How We Grow
34XXXIV Ear Minds and Others
9IX How We Grow Up
35XXXV Living Automobiles
10X How We Grow Old
36XXXVI Air and Fuel
11XI Why We Grow At All
37XXXVII Men In Glass Boxes
12XII Things That Do Not Have To Be Learned
38XXXVIII Of Sugar and Other Poisons
13XIII Why We Like Certain Things
39XXXIX Snake Venoms and Others
14XIV Animals’ Games
40XL Of Measles and Rusty Nails
15XV Some Instincts of Chicks and Kittens
41XLI The Great War
16XVI Certain Stupidities of Animals
42XLII More About The Great War
17XVII How We Differ From The Animals
43XLIII Living Apothecary Shops
18XVIII Something More About Speech and Thinking
44XLIV What Becomes Of The Tadpole’s Tail
19XIX Why Most Of Us Are Right-Handed
45XLV Nature’s Repair Shop
20XX Where We Do Our Thinking
46XLVI Little Monsters
21XXI Where Some Of The Animals Do Their Thinking
47XLVII How The Animals Keep Their Tools Sharp
22XXII What Plants Know
48XLVIII Why The Blood Is Salt
23XXIII What Plants Can Do
49XLIX Horses’ Fingers
24XXIV Some Plant-Like Doings Of Animals
50L How The Elephant Got His Trunk
25XXV The Five Senses and The Other Five
51LI Something Nobody Understands
26XXVI Eyes
