Let’s make paper birds! The more colour we use, the more beautiful our birds will look.
The jaguar, which catches its prey with one leap, is one of the most dangerous predators in South America.
Surface tension, a special property of water surface, and the spherical shape of water drops are due to the attraction between the water molecules.
One of the most widespread armadillo species in South America. It is an accomplished digger and spends most of its time below ground.
When the patellar tendon is lightly tapped, the extensor muscle stretches slightly.
The spectacled caiman is a crocodilian reptile found in much of Central and South America. It is the most common of all crocodilian species.
Red-green colour deficiency is a genetic condition.
From a microscopic close-up you can inspect the movement of an amoeba with the use of its pseudopods.
In the 19th century it was the dominant mode of transport in Europe and North America. There are railway lines that cross entire continents.
Deserts cover nearly one-seventh of the Earth's land surface.
Passive and active recreational activities are a great way of spending our free time. Active leisure activities help us stay healthy and gain new experiences.
The name of this plant of the Polygonaceae family means 'the root of Barbarians'. It originates from Asia; today it is widely cultivated as a vegetable.