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 of what would happen if there w...

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 lightning. The group also explains...

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's voice compared to that of a...

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 they provide better television si...

The revelation of why certain clothes are dry cleaned, the history of the dry cleaning process, and introduces water as a universal solvent. A demonstration is performed of how lik...

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 natural force on Earth, and d...

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 uses, how isobars are mapped...

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

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 look at amphoteric surfactants, w...

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 main tastes. The make-up of synt...

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

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 used for timing modern races. How...

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

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 retina, lined with light-sens...

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

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

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 help determine what the dinosau...

Gold's properties, its appeal to human beings and impact on society throughout history. The advantages of gold over other metals, its chemical stability where it does not react wit...

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. The structure and function o...

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