🔬 WATER BEAR: will it survive drying?

Water bears (tardigrades or moss piglets) are very resilient little creatures. These animals can survive cold and hot and also drying out. Here I am drying a Tardigrade and then wake it up again by adding some water. How to Read More …

🔬 STARCH: Iodine staining explained

Adding Lugol’s solution (iodine and potassium iodide) to starch will stain it dark purple. This reaction can also be observed under the microscope, when adding iodine to a banana and to potatos. The starch grains will turn black even before Read More …

🔬 HONEY: Why infants should not eat it

Infants up to the age of about one year should not eat honey, as it can make them really sick. It can cause a disease called infant botulism, which is caused by the bacterium Clostridium botulinum. This bacterium produces a Read More …