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Seawater, as an external force, plays an important role in shaping coastlines.
These great scientists had a tremendous impact on the advancement in physics.
The first supersonic passenger airliner entered service in 1976.
Comets are spectacular celestial bodies orbiting the Sun.
An earthquake is one of the most devastating natural phenomena.
This animation demonstrates the development of the axe throughout archaeological periods.
Wind, as an external force, plays an important role in shaping deserts.
Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
RMS Titanic was the largest passenger ship at the beginning of the 20th century
This scene summarizes the main organs of the human body.
Candles have been used for lighting since ancient times.
Before the emergence of motorised vehicles, letters and parcels were delivered by...
The Giza Necropolis is the only one of the Ancient wonders still intact.
The Internet allows us to send data quickly to large distances.
Bats use ultrasound to navigate and hunt for prey.
This animation presents some interesting facts in the field of astronomy.
Chameleons are reptiles with an ability to change their colours.
The layers of different types of forests may vary.
Human bones are joined together by cartilaginous or synovial joints, sutures or they can...
Plants are capable of converting inorganic substances (carbon dioxide and water) into...