According to World Health Organization (WHO), more than seven million people die every year due to air pollution. Air pollutants arise from a wide variety of natural processes (e.g. forest fires, volcanoes, and bacteria) and human activities (use of motor…

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…

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…

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…

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…