Inquiring Minds

The Exploration of sunlight. How the sky is like a giant pinball machine and where the sun is located at different times of the day. The explanation o...

An explanation of lightning, including the amount of energy in a lightning bolt, how lightning is formed, and what we actually see in a streak of ligh...

The discovery of how the density of several elements affects sound, what is needed for sound to be present, and how sound works. The pitch of a person...

Explains what a satellite is, how it is put into orbit and how it maintains its orbit. The team also talks about how satellite dishes work and how the...

The revelation of why certain clothes are dry cleaned, the history of the dry cleaning process, and introduces water as a universal solvent. A demonst...

The exploration of why hurricanes strike only in late summer or early fall. The hosts also explain what a hurricane is, why it is the most destructive...

The examination of how sound is produced and explains hearing by air conduction, and bone construction.

The revealation of how a rocket actually gets to the moon, and how it is compared to flying to the moon as vacation.

The explanation of atmospheric pressure and its relevance to the weather report and our daily lives. Also explained are pressure instruments and their...

The definition of an echo, and the demonstration of how it occurs and its effects in different background. The hosts describe the acoustic challenges...

How surfactant, the ingredient in shampoo that causes the burning sensation and helps rid the hair of dirt, reacts with the eye's tear film. And a loo...

A mass spectrometer analyzes the contents of a substance and displays the results on a computer. The human tongue and its ability to recognize four ma...

Information on how nature creates snow, the components used by snow-making machines to manufacture snow, and natural snowflakes compared to artificial...

The history of the stopwatch and analysis of its accuracy. The starter's pistol, the starting block sensors, and the horn in present-day races are use...

The structure of a bullet- proof vest, including the characteristics of an Aramid fiber-energy absorption, stretching ability. How the strength of a f...

The explanation of the parts of the eye, such as the lens and the muscles surrounding it, the iris and its function of letting light into the eye, the...

The hosts talk about the two principle sources of salt. Underwater volcanoes and rivers, plus the different levels of salt concentration in rivers and...

The definition of carnivores and herbivores, - their respective diets and eating mechanisms. Human's teeth, digestive systems, and diet in comparison...

Calculating the age of bones from the amount of carbon 14 they contain and the potassium atoms in rocks surrounding bones. Explanations of how bones h...

Gold's properties, its appeal to human beings and impact on society throughout history. The advantages of gold over other metals, its chemical stabili...

What bacteria are and why they are so dangerous. Information on what eggshells and teeth have in common, what fluoride is and how it prevents cavities...

How a computer virus causes infections, the three stages of program infection, and routes to protection. A presentation of a comparison of viruses in...