Buttes keep the evidence of previous volcanic activities. Their material is mainly of basalt. Their shape can often be coffin-like, or flat on top with a...
The climatic snow line is the point above which snow and ice cover the ground throughout the year. The actual snow line may seasonally be significantly lower.
History is not always based on bare facts, sometimes serious research needs to be done to explore our past. People who do that are called archaeologists,...
Let’s make paper birds! The more colour we use, the more beautiful our birds will look.
Are you curious how our digital materials are made? Go behind the scenes.
The evaporation of seawater provides an excellent opportunity for coastal countries to produce salt.
The continental climate zone is characterised by four seasons: hot summer, cold winter and two transitional seasons in between.
Going to the beach on a sunny day is a pleasant way of relaxation for many people.
A cuboid is a polyhedron with six rectangular faces.
This animation demonstrates the different nets of a cuboid and includes a game.
Greece is considered one of the cradles of European culture. Today, its key sector is undoubtedly tourism.
The ramson is also called bear’s garlic, but do bears really like it? You can find out here and learn more about this plant that has medicinal properties...
Within the lethal embrace of deserts, life can only flourish because of large springs. Here plants thrive, animals enjoy something to drink, caravans can...
A century of war between England and France marked the end of medieval European society.