Fun

Researchers at the University of Bonn claim to have taught fish to perform simple mathematical operations.

Many living things reside permanently in a mattress or on pillows.

The use of punishment collars is not only an aberration for the well-being of the dog, but it is also ineffective and unsafe.

Dog training with electric collar

The images have gone viral on the social networks of the photographer Roman Fedortsov, a regular in capturing unusual creatures.

The protagonist is a western banded gecko ('Coleonyx variegatus'), a species typical of the southwestern United States.

hyena females have a false penis and scrotum, a rarity in nature, it has social functions, an evolutionary origin related to embryonic development.

That your dog barks when the doorbell rings can be seen as an advantage, as it alerts you that someone is coming, even if you are distracted or, for example, listening to music. But it can also become a nuisance, especially in neighboring communities.