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Discusses the future in terms of the areas that now interest scientists at the Argonne National Laboratories. Indicates problems that are still to be solved concerning the effects of radiation, the peaceful use of radiation, and the dangers of radiation.
Shows some properties that distinguish gases. The volume of ammonia and hydrogen chloride that combine are measured quantitatively, and simple integer volume ratios are measured for the combinations of hydrogen and chlorine. Interprets these simple integer ratios in terms of Avogadro's hypothesis.
Diagrams the position of radiant energy on the electromagnetic spectrum and describes several means of detecting radiant energy. Explains the operation of a radiometer, and illustrates the use of a thermister, thermocouple, and thermophile in detection of radiant energy.
Much of today’s exploration of space would be impossible without the early astronomical discoveries of Hipparchus (hih-PAR-kus). According to Dr. Posin, the greatest of these discoveries was that“the tip of the axis of the earth, through the centuries, make a circle in the heavens.” With the help of work done by scientists before him, such as Archimedes, Hipparchus was able to find ways of determining longitudes on earth and in the sky, thereby laying important groundwork for astronomical discoveries through the ages.
A credit course in The New Biology, a presentation of Learning Resources Institute, Columbia Broadcasting Systems, in conjunction with the American Institute of Biological Sciences. The course is planned to include the results of recent research findings in the biological sciences and to reflect the recommendations of professional organization interested in biology education. This installment discusses the thyroid and parathyroid glands.
A credit course in The New Biology, a presentation of Learning Resources Institute, Columbia Broadcasting Systems, in conjunction with the American Institute of Biological Sciences. The course is planned to include the results of recent research findings in the biological sciences and to reflect the recommendations of professional organization interested in biology education. This installment discusses the function of adrenal glands in the human body.
Integration of life processes in animals: an evolutionary approach with emphasis on the veterbrate; reception and transmission of information, and responses; receptors for light, sound pressure, etc; transmitters –chemical and nervous systems in detail; responding systems –under hormonal and nervous control; temperature control in animals; biochemical aspects will be considered whenever appropriate.
A credit course in The New Biology, a presentation of Learning Resources Institute, Columbia Broadcasting Systems, in conjunction with the American Institute of Biological Sciences. The course is planned to include the results of recent research findings in the biological sciences and to reflect the recommendations of professional organization interested in biology education. This episode discusses the function of the pituitary gland.
Introduces basic principles of the lever, wheel and axle, pulley, inclined plane, wedge, and screw, and shows common usage of each. Shows the crowbar as a lever, and shows a doorknob as an example of a wheel and axle. Pictures the raising of the flag to illustrate the use of a pulley. Shows stairs as an example of an inclined plane, pictures carpenters driving nails as wedges, and presents the operation of an auto jack as an example of a screw.