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In this lesson, you will learn about the celebrated writer Agatha Christie and one of the best-known detectives in the world.
Do you like football? Now you can learn about the life of physics in football.
Everything you need to know about electricity to use it safely.
I bet I can disprove that different flavours are detected by different parts of your tongue.
Learn about the second longest river in Europe and its flora and fauna.
A human mission to Mars is the latest challenge for science and technology. How would you solve it?
Follow the journey of sand from its formation to its use.
What problems exist in the agricultural production, food supply and consumption in developed and developing countries?
This question is not that easy to answer, because the location of sunrise constantly changes on the horizon and also depends on the geographical location.
In this lesson, you will learn about one of the most significant American writers of the 20th century.
The most characteristic symptom of malaria is fever. The pathogen of the disease is spread by mosquitoes.
In this lesson, you will learn about even and odd numbers.
Statistics is a useful tool in many areas of life. Let's see how to use it.
Get a glimpse into the cruel world of pirates and learn about the dreaded sea bandits.
Learn about the Manhattan Project, led by Robert Oppenheimer.
In this lesson, you can learn about scientific methods that help you calculate how many people were needed to build the pyramid.
In this lesson, you can learn about Wolfgang Amadeus Mozart, a child prodigy who became one of the greatest composers of all time.
In this lesson, you will learn the basics of electrical networks.
Menstruation is a natural part of the lives of girls and women from puberty until menopause.