This ornamental plant of parks is also very useful to form an impenetrable barrier against thieves with its dense, thorny structure.
The tallest animal on the planet, yet it has the same number of vertebrae as humans.
The catalpa is a plant typical mainly of tropical and sub-tropical regions. It is able to climb up the trunks of trees towards the light.
This ruderal plant, the ancestor of the carrot, can be found all around the world.
This tree, popular in rural courtyards, is grown for its stone fruit and good quality timber.
This forest tree is a common tree species in hilly and mountainous regions. It prefers steep and shady slopes and tolerates colder climates.
The primary forest tree of the Russian steppes. Its unique characteristic is the whitish-brownish, heavily cracked bark.
This tree is a truly living fossil: it has gone through only minor changes since the Mesozoic Era.
A plant usually found in the countryside; it is advisable to avoid skin contact with the stinging hairs that cover its leaves and stem.
This owl species living in the furthest northern regions of our planet has adapted brilliantly to the harsh conditions of the taiga and the tundra.
A film about the green iguana, the popular inhabitant of exotic terrariums.
This plant with lovely flowers grows wild on greens, meadows and grazing fields.
One of the most common types of Anatidae, the ancestor of the domestic duck.
The largest species of lizard that lives in isolation. Even a single bite of it can be fatal.
Photos taken by professional cameras at a slow shutter speed can reveal details invisible to the naked eye.
As seasons change, we see different constellations in the night sky. The North Star is easy to identify in a picture taken with long exposure time, as it...
King of the savannahs, the lion is at top of its food chain. Its only enemy is man.
Purple and wine red flowers can be used as pH indicators.
Go behind the scenes of gastronomy and film tricks: objects in flames do not always burn, do they?
Learn how to pierce a balloon without popping it.