Plastic bottles, made of polymers (polyethylene terephthalate, PET), are part of our daily lives, but, unfortunately, they often end up in our terrestrial environment. The plastic structures decay and over time transform into microplastic, which travels through and mixes with…
St. Peter is a rapidly growing district in the periphery of a capital city. Nowadays, more than 10,000 people live in the three largest housing settlements and yet the area is inadequately connected to public transport, thus the car density…
In times of quarantine and curfew, toilet paper is considered to be an eminent commodity. But even before, going to the toilet – at least in Germany – had its price! Stopping on a highway, peeing only once, is costing…
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…
