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Describes the mechanism of sound generation by turbulence resulting from an instability of steady flow. Illustrates…

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Shows cells from two different species of sponges being mechanically dissociated, then utilizes time-lapse photography…

Shows the dissociation, reaggregation, and pseudopodal activity of cells from two different species of sponges. Illustrates…

Illustrates a demonstration experiment on a phase of fluid mechanics.

Presents the ecology of a typical region of East Africa, the Masai Amboseli Game Reserve, emphasizing…

Uses animation and live-action photography to trace the development of the egg of the Leopard…

Shows the life cycle of Dictyostelium discoideum, D purpureum and D minutum, including encystment, examples of…

Shows the removal of embryonic skin and the formation of feather germs. Photographs advanced stages of…

Demonstrates that Blastocladiella emersonii can develop along any of three pathways in response to environmental stimuli…

Demonstrates the effect produced by a source of periodic waves moving at various speeds with respect…

Shows the removal of embryonic skin and the formation of feather germs. Depicts advanced stages of…

Shows sperm entry, movement, fusion of the pronuclei and cleavage, including micromere formation, in echinoderms.

Deals with the cell movements and cell processes which appear to play a significant part in…

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Explains that axopodia break down and retract when the ambient temperature is lowered to four degrees…

A study of a series of experiments which focus attention on the simple types of electromechanical…

Shows the dechorionation of a fertilized egg, cleavage, the global and cellular details of epiboly and…

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Demonstrates candling of egg to locate embryo, making a window in shell in preparation for operations…

Shows experimental techniques for performing chorioallantoic, intracoelomic and flank grafts.

Shows the mesodermal origin of limb type by fitting the leg bud ectoderm onto the wing…

Depicts removal of apical ectodermal ridge at differing stages affecting extent of limb outgrowth.

Shows the extra-embryonic circulation of a 48-hour chick embryo.

Shows the multinucleate protozoan echinospheaerium nucleofilum as it employs its axopodia in food capture. Includes the…

Illustrates artificially induced gamete release in arbacia punctulata and shows the events of fertilization and cleavage…

Shows the amplexus, fertilization and the initiation of cleavage of the frog.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates the general features of flow instability, showing the generation of surface waves by wind in…

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

Illustrates a demonstration experiment on a phase of fluid mechanics.

A teacher training film which shows African primary school children being taught the new mathematics method…

This PSSC film utilizes a fascinating set consisting of a rotating table and furniture occupying surprisingly…

Illustrates a demonstration experiment on a phase of fluid mechanics.

Presents a new mother talking with a pediatrician about her two-day-old son. Discusses Gabriel…

Examines the questions, what is universal about the teenage years, and how does growing up on…

With teacher's guide and resource book Producer, director, and editor, Joyce Chopra; camera, Joan Weidman…