One of the most important differences between us humans and apes is that we are able to walk permanently upright on two legs. But why is that actually so? And how does it work in the first place? What are the anatomical differences between us and our closest relatives that allow us to walk upright?

Is everything in the organic garbage can really waste? Not necessarily! Many vegetable scraps can sprout again under the right conditions. In this tutorial, we show you how to give new life to spring onions, romaine lettuce and herbs.

Black or brown soil? Yellow clay? Reddish clay? Grey gravel? These are all colors that you can bring to your paper. This way, your picture not only tells a story, but you also know exactly the history and origin of your own natural colors!

We get the nature on our painting blocks. Together we'll create colorful works of art by printing and designing with leaves. Discover the many different colors and shapes of tree leaves and use them in your artwork. Let your imagination run wild.

Many of the things we throw away can actually be reused. Banana peels, for example, can be used to make a material similar to plastic. We show you how to do this and explain why recycling and plastic avoidance are important.

An entire ecosystem in a jar - interesting, pretty and easy to maintain! The eternal garden is super easy to build, gives pleasure, looks beautiful and best of all: it doesn't need to be watered for years! Even with simple things, which almost everyone has at home, you can create a completely functioning ecosystem!

Life rages in the soil and there are lots of creatures crawling and creeping around. In this experiment you can take a closer look into a secret world and observe the growth of a root that is normally hidden under the surface of the earth. You can record your observations with a flipbook or on video.

You like to eat tangerines? Then this DIY project is especially suitable for you. We show you how to make sustainable decorations from tangerine peels and explain why sustainability is so important.

What does climate change have to do with the ocean? How are water, CO2 and temperature connected? In this experiment you will become marine scientists and amateur chemists to find out more about what climate change does to seawater.

Do you love the way the seeds of maple trees, lime trees & co. screw through the air? Here you can find out how they do it and you can easily build a paper helicopter based on nature's design. Do you think it will fly with only one wing? Check it out yourself!

Have you ever looked at the ingredients of your favorite nut nougat cream? Many of them travel halfway around the world to give us our chocolate experience. Palm oil, for example, is now found in every second supermarket product. Unfortunately, however, its production is often associated with environmental destruction and exploitation. Good that our homemade chocolate cream does not need palm oil!

We'll show you some exciting experiments that will help you learn something about your eyes. With our instructions, you can even make your own artificial eye and test your friends.

We want to go out and explore the world of fungi with you. Where do they occur? Which colours and shapes do they have? What can we learn from our observation? We will sharpen our senses for nature.

We show you how to start your own mushroom cultivation in a jar. Observe your fungus and the development of the mycelium. If you do it right, you can harvest your mushrooms later and cook something delicious.