The universe. A giant among planets. saturn the magnificient. The outermost planets. Roving members of the sun´s family. The earth. In the depths of the esarth. Crysatals in the earth. Life. The changing seasons and life. Plant life. Seed and fruit dispersal. The water of the soil. From seed to seedling. The trees of the forest. Animal life. The amphibians. The lizardas. The snake tribe. Animals in armor clad. The life of birds. Man. Internal laboratories. The teeth. Health. The vitamins. The regulation of diet. The disposal of wastes. The tobacco problem. The rise of tranquilizers. The narcotic-drug evil.. Matter and energy. Of electrochemistry. An analysis of sound. International co-operation in science. A glimpse at cryogenics. Musical sounds. Colloidal particles and systems. A rotating steam engine. Symmetry unlimited. Properties of matter. Industry. natural gas. The meat-packing industry. The silk industries. Where salt comes from. Transportation. The submarine. Floating traffic signs. Communication. Television. Science through the eges. Science and progress (1815 - 1895). Projects and experiments. How to recognize trees. Experiments with sound. Home terrariums.