In order to fly, it is enough for an albatross to open its wings wide against the wind. In this ...
There are four different nipples in the pouch of the mother. The new-born sucks the nipple that ...
What do you think the answer of a rabbit would be if we were to ask it, "Which food do you like ...
Evolution is a component of materialism and, according to materialism, the universe has no begi ...
The body of a dragonfly looks like a helical structure wrapped with metal. Two wings are cross- ...
Arabic
English
Spanish
Russian
Romanian
korean
Japanese