Modelling protein digestion in the stomach

Let’s simulate protein digestion in the stomach using a mixture of hydrochloric acid and pepsin.

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Studying the blind spot

Demonstrating a method to determine where exactly the blind spot is in our visual field.

Preparing a tissue sample from an onion

Examination of long, rectangular onion epidermal cells under the microscope at 100x magnification.

The change in respiratory rate during exercise

Through mild physical exercise, even a trained body doubles the number of breaths it takes...

The patellar reflex

When the patellar ligament is lightly tapped, the extensor muscle stretches slightly.

Protein denaturation

Proteins are sensitive to environmental changes. In this video we demonstrate how easy it is to...

Sound localization

Sound localization is an important element in orientation. A sound reaches the ear closest to it...

Studying adsorption

Purifying a solution colored with fuchsine dye with finely ground activated carbon granules and...

The pupillary light reflex

In strong light the pupil contracts, while in low light it dilates.

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