Aside from the common warning to watch out for chemicals, another thing we often hear is about toxins. And in this case, there is a little more truth to the matter. We keep telling people: everything is made from chemicals: the air you breathe, your bike, and even your annoying neighbour. But what is often meant is to look out for toxic chemicals, or toxins. But what are toxins? Toxins are a group of substances that are harmful to you, to animals, and to the environment. Firstly, toxic means something is poisonous. And this doesn’t only relate to solid substances, but also to liquids and gasses. There are also different factors that determine how toxic certain substances are….
Read MoreEnergy is a strange concept. It sounds simple. You gain energy by something, and the something can cost you energy. You can get energy from eating food, for example, but at the same time a large dinner can also make you feel tired. Your energy bill all use kWh, at school you learn about joule, and you can track your calorie intact when you go on a diet. But what is energy exactly, and why does energy matter?
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