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Take a glimpse into the brutal world of ancient Roman gladiators.
Organic substances can be grouped by various criteria, which helps to identify and get to know these substances.
Why is the atomic nucleus considered to be positively charged and the electron cloud, negatively charged?
Learn about Ignaz Semmelweis, a celebrated Hungarian physician of the 19th century, often referred to as 'the saviour of mothers'.
Learn about the characteristics and economic significance of methane as well as the sources and consequences of its emission.
Learn about Alan Turing, a pioneer in computer science.
You can learn about the molecule structure and nomenclature of saturated hydrocarbons.
You can learn about one of the most significant poets, novelists and playwrights of French Romanticism.
Learn about the physical and chemical properties of saturated hydrocarbons as well as their use.
Learn about the properties, molecule structure, characteristic reactions and uses of ethene.
In this lesson, you can learn about Avogadro's number.
Learn about input energy, useful output energy and efficiency.
In this lesson, you can learn about basic terms and concepts related to electric circuits.
What equipment is used in a scientific laboratory and what rules have to be followed?
Learn about women who excelled in the field of natural science.
In this lesson, you can learn about the basic components of electric circuits.
In this lesson, you can learn about the properties, reactions and significance of alkenes, one of the groups of unsaturated hydrocarbons.
What characteristics do energy-efficient buildings have?
This lesson is about the concept of consumer awareness and consumers' rights.
In this lesson, you can learn about environmentally conscious consumption and buying habits.
Learn about the life of the Afro-American civil rights activist.
Learn about the properties of natural rubber, the production of synthetic rubber and its uses.
Learn about two dienes that play a significant role in industry.