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The poisonous bite of the Chilean recluse spider poses a serious threat to human health.

The red panda, also known as the lesser panda, is a relative of the black-and-white giant panda bear. Its home is the foothills of the Himalayas.

Why do camels have humps? Where do these extremely hardy animals live? Learn the answers from this video.

This video presents the large-scale farming of rose bushes.

This lesson helps you understand the process of hearing.

In strong light the pupil contracts, while in low light it dilates.

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

Gibbons are apes native to southern Asia.

A brightly coloured and extremely loud parrot whose screams can be as loud as 110 dB. In humans, long-term exposure to sounds of such intensity can cause hearing loss.

The jaguar, which catches its prey with one leap, is one of the most dangerous predators in South America.

This video presents the diet and hunting behaviour of wolverines, Siberian tigers and snow leopards.

For good spatial vision, we need information from both eyes at the same time.

It is easy to demonstrate how the heart works.

Reindeer are the northernmost deer species.