Oxygen (O₂) (beginner)

A colorless, odorless gas, an important component of the atmosphere, indispensable to...

Nitrogen (N₂) (basic)

A colorless, odorless, non-reactive gas, it constitutes 78.1% of Earth´s atmosphere.

Carbon monoxide (CO) (beginner)

Colorless, odorless gas, highly toxic to humans and animals in high concentration.

Tornadoes

Short-lived but extremely powerful tornadoes can cause a great deal of damage.

Electric motors

Electric motors are present in many areas of our lives. Let's learn about the different...

The Human Body - for Kids

This scene summarizes the main organs of the human body.

Icebergs

Icebergs are small or large blocks of frozen freshwater floating in the sea.

Comets

Comets are spectacular celestial bodies orbiting the Sun.

B-24 Liberator

The B-24 Liberator was an American heavy bomber aircraft, built in large numbers, that...

The Cassini-Huygens Mission (1997-2017)

The Cassini spacecraft was exploring Saturn and its moons for nearly 20 years.

Ancient Egyptian deities

Ancient Egyptians worshipped a large number of gods and goddesses.

The Moon

The Moon is the Earth's only satellite

Bone structure

This scene explains the structure and functions of the bones.

The adrenal glands

The adrenal glands are responsible for maintaining homeostasis and producing a rapid...

The first days in school

Learn the concept of colours, numbers, letters and shapes while playing

Quetzalcoatlus, a giant pterosaur

Quetzalcoatlus was one of the largest known flying animals of all time.

How does it work: PET-CT

By positron emission tomography (PET), we can obtain visual information on the internal...

Ictíneo II submarine

The submarine designed by the Spanish inventor Narcís Monturiol was a pioneering work in...

Bacteria (advanced)

Bacteria are unicellular organisms that have no cell walls and are a few micrometres in...

Ukrainian Cossack (17th century)

Cossacks, members of independent military communities, played an important role in the...

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