Being one of our five senses, humans heavily rely on their sight, making vision and visibility important aspects of our daily lives. Good sight is an important safety issue, especially when driving or cycling at night, when lots of people…
That honeybees are skillfully building hexagonal honeycomb cells has been well known for centuries. Whoever is lucky enough to see these structures in real life can only be fascinated by the extremely precise construction art of these small insects. The…
Now that it’s autumn time, it’s striking once again how much nature changes with the seasons – crazy, isn’t it? All of a sudden chestnuts or walnuts fall from the trees, which can be collected, the leaves change color, mushrooms…
Sometimes, things are not quite as they seem. And we even have a scientific experiment to prove it by “raising” a coin in a bowl of water – without touch. You will need: 1 euro coin, a bowl, a cup…
When we think of sand, what first comes to mind? Sure, summer, sun, sunshine – and this of course, on the beach. Sand is perfect for digging in your feet or building sandcastles, but not only for that! Without sand,…
Summer holiday walks call for interesting adventures! As you walk through your city or the town you are visiting, pay close attention to important or interesting houses and read historical or current information boards. But especially look out for special…
Smell is one of the basic senses through which we perceive scents or odours caused by chemical substances in the inhaled air. Smell is related to the taste of food, it is used in aromatherapy, but it can also warn…
Sunny spring offers the joy of blossoms and fresh greens. This is also an intensive period of decision-making for every gardener: what to grow, where to seed, or is there enough seeds? Tom and Ana decided to plant sweet peas…
Spring is here, holidays are approaching and as an end-of-exams celebration, students and their families throw a lot of confetti over the celebrating ones. Confetti is difficult to clean up and often end up in the stormwater in shape of micro…
Maritime canals and straits play a critical role in international trade and they usually experience heavy shipping traffic. For instance, the Suez Canal, an artificial sea-level waterway in Egypt and considered the greatest engineering feats in the nineteenth century, recently…
