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One of the most common weeds. It can be found in fields and meadows.

Paper puppets

Let’s make puppets using sticks, sheets of paper, scissors and coloured pencils!

Since when has the dog been angry at the rabbit?

The dog and the rabbit had such a bad quarrel while chopping down trees they have been angry with each other ever since.

The fox and the grapes

Having eaten his delicious chicken, the fox yearned for some grapes, but he was unable to reach the bunches up high.

Orientation with a compass

By using a compass, we can orientate ourselves during a school trip or a hike in the woods.

Measuring the height of a tower

Calculating the height of a classic water tower with a tape measure and lots of sunshine.

Catalytic cracking

The oil industry is able to meet the world’s growing need for fuel by a process called cracking.

The story of the Internet

A network that was originally designed for military and academic purposes has quickly conquered the world.

The great white pelican

Pelicans are highly protected birds. They can be easily recognised by their pouched bill.

The history of the motion picture

The journey from black-and-white silent films to colour high-definition films.

Test tutorial 2.

Let’s find out how to use the Test Editor tool.

Raven training

Ravens are considered the most intelligent birds, displaying high learning ability and use of logic in solving problems.

The mallard

One of the most common types of Anatidae, the ancestor of the domestic duck.

Stars of the four seasons

As seasons change, we see different constellations in the night sky. The North Star is easy to identify in a picture taken with long exposure time, as it...

Dangerous plastic

Environmental organisations are against the use of PVC.

3D graph tutorial

Let's find out how to use the 3D graph tool.


Have you ever heard about boomwhackers? Believe it or not, these are real musical instruments.

The dangers of aluminium production

The use of bauxite, which is first processed into alumina and then into aluminium, can be harmful.


Let’s make a pinwheel! It is a witty little toy if you give it a go in windy weather, too!

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