Greenhouse gases need to be cut at every turn, but neither at the political and societal level nor in one’s own habits you can change everything at the same time. So where do we start? Perhaps where it will do…
Did you know that according to a study from the University of Virgina, women are 73% more vulnerable than men in a car accident? In addition to the physical and biomechanical differences between women and men (such as the fundamental…
Everyone loves ice cream! But have you ever looked at an ice cream cone through the eyes of mathematics? In this task, we are trying to optimise the ice cream cone! Think about what an ice cream cone is mathematically….
An ancient Greek mathematician, geographer, and astronomer named Eratosthenes of Cyrene was the first person to determine the size of the Earth using the principles of geometry and astronomy. Around 240 B.C., he achieved this remarkable feat by designing an…
We’ve all heard the phrase: “The next wars will be over water”. Water scarcity is recognized as one of the most important global risks that humanity will face in the coming years (see www.un.org/en/climatechange/science/climate-issues/water). In the island complex of Cyclades…
The junior team of the local football club has been promoted to the top division of the regional league after a good season. The sporting success is to be rewarded with new kits for the team. The chairman of the…
There are so many options of various types of vehicles on the market that it is often hard to know what to choose. Here is a task to help you analyse options and find the type of car that fits…
“Only three insect removers can convince”. This is the headline oft he spring edition of a well-known car magazine about an annoying problem for all car owners. But what about the actual impact on the insect world and thus on…
Your birthday is a very special day of the year. Hopefully the weather will be fine so you can do special things: throw snowballs, have a garden-party in the sun, enjoy the colored leaves on a forest hike or fly…
“Animal, veggi or vegan?” is a question that is also being asked about fruit gums. “Classic” gummy bears contain gelatine. Agar-agar is often used as a counter term to gelatine. However, more often pectins are used for the production of…
The question of which sofa you can just push through a hallway that turns at right angles is an unsolved mathematical problem. Fame and glory await the designer of the ideal sofa! Imagine you have a hallway that turns at…
CO₂, climate crisis – everyone knows by now that we have a problem. To deal with it properly, we also need to understand the math behind it. The greenhouse gases that make our earth warmer stay in the atmosphere for…
