Feeding children from infancy through early childhood is discussed. Forced feeding at set times is no longer recommended. Instead an infant should be fed when it is hungry. At 1-2 months solid food can be introduced beginning with bland cereals, followed by fruit, vegetables, and then meat. Food should be supplemented with vitamins C and D in the infant diet with orange juice and cod liver oil, or in concentrated forms. For older children, a balanced diet is recommended along with behavioral methods of dealing with meal times.

The workings of an atomic bomb are explained through atomic reactions and fusion. Comparisons are made to TNT and hydrogen explosions, and some peaceful applications for nuclear energy are discussed.

Two seemingly unrelated crimes are linked and subsequently solved through forensic techniques involving spectrometry, blood typing, and ballistics with the use of microscopic methods.