Sound localisation is an important element in orientation. A sound reaches the ear closest to it first.
Proteins are sensitive to environmental changes. In this video we demonstrate how easy it is to...
When the patellar ligament is lightly tapped, the extensor muscle stretches slightly.
Examination of the cells and stomas on the epidermis of a pelargonium at 100x magnification.
Let’s simulate protein digestion in the stomach using a mixture of hydrochloric acid and pepsin.
Don’t smoke! This video demonstrates what happens in the lungs when a person smokes.
Purifying a solution coloured with fuchsine dye with finely ground activated carbon granules and...
Examination of long, rectangular onion epidermal cells under the microscope at 100x magnification.
In strong light the pupil contracts, while in low light it dilates.