Throughout history, engineers have come up with numerous brilliant technological solutions, but, in some cases, they have committed serious mistakes.
Calculating the internal energy of ideal gases.
A herbaceous plant that produces one of the best-known tropical fruits.
This 3D scene presents the musical instrument called morin khuur.
Typical plant and animal cells exhibit a number of similarities and differences.
Hop on this unique medieval vehicle that was used in the Mongol Empire.
The common nettle is one of the most widespread weeds and herbs in the world.
Get to know the most important and interesting stages in the history of coins.
The popular caffeinated drink is prepared from the seed of a plant produced along the Equator.
The magnificent cathedral complex, located in the capital of Ukraine, was founded more than 1000 years ago.
The largest owl in Europe is the Eurasian eagle-owl, which hunts silently at night.
Domestic yaks (Bos grunniens) are large, cold-tolerant ruminants living mainly in Central Asia's high mountains.
A giant hornet species native to East Asia, first detected in North America in 2019.
Plants are composed of various meristematic and permanent tissues.
The young leaves of the evergreen tea plant are used to prepare a stimulant infusion.
Learn about the significance of regeneration in the animal kingdom by examining various examples.
It is an echinoderm living on the sea floor that plays an important role in the circulation of substances.
Visit the ancient village of Tiscali, which was built in a unique location on the island of Sardinia.