On the track of the rain Savannahs

A szavannák növény- és állatvilága az éghajlathoz alkalmazkodik.

The patellar reflex

When the patellar ligament is lightly tapped, the extensor muscle stretches slightly.

A non-flammable tissue (Observation)

Go behind the scenes of gastronomy and film tricks: objects in flames do not always burn, do they?

The green-winged macaw

A brightly coloured and extremely loud parrot whose screams can be as loud as 110 dB. In humans,...

What are lichens made of?

A combination of fungal hyphae and algal cells viewed under a light microscope at a hundred...

Afrika - The geological anatomy of a continent

Az afrikai kontinens földtani formálódása és földrajzi felosztása.

El Niño

Az El Niño jelensége szinte az egész Föld éghajlatára hatással van.

Cuboid

A cuboid is a polyhedron with six rectangular faces.

Nets of a cuboid

This animation demonstrates the different nets of a cuboid and includes a game.

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