Battle of Thermopylae (480 BC)

The battle of the Greek-Persian War became famous for the heroic sacrifice of the Spartan soldiers.

جيمزتاون (قرن هفدهم ميلادي)

جيمزتاون در ۱۶۰۷ تاسيس شد، اولين شهر انگليسي در ساحل شرقي آمريكاي شمالي بود۔

پلاناریا Planaria gonocephala

یکی از متداول ترین انواع کرم های مسطح است۔


The device designed to carry out executions more humanely than before was named after a French doctor.

Tanning, skin cancer

The topmost layer of our skin is the epidermis, which contains melanocytes.

AH-64 Apache (USA, 1975)

The Apache attack helicopter, named after an American Indian tribe, was developed for the United States Army.

Measuring time

The first calendars and time-measuring instruments were already used by ancient Eastern civilisations.

Battle of Marathon (490 BC)

The marathon running event was instituted in commemoration of the run of a Greek soldier after the Battle of Marathon, fought between the Athenian and the...

Tutankhamun’s tomb (14th century BC)

One of the greatest archaeological finds of the 20th century was the tomb of the Egyptian pharaoh.

Auschwitz-Birkenau concentration camp

More than one million people died in the WWII Nazi death camp located in present-day Poland.

Oil refinery

The products of oil refining include diesel oil, petrol and lubricants.

Ancient agriculture in the Nile Valley

Ancient Egypt was called the ‘gift of the Nile’, since the river played an important role in the rise of Egyptian civilisation.

Electricity supply network

The purpose of the electricity supply network is to provide electricity for consumers.

Platonic solids

This animation demonstrates the five regular three-dimensional (or Platonic) solids, the best known of which is the cube.

Cube (exercises)

Edges, diagonals and faces of a cube can be identified by its vertices.

Space Shuttle

The Space Shuttle was a manned, reusable spacecraft operated by NASA.

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