First, it is worth defining the difference between them. “Fluids are those substances that are permanently in the body and whose production does not depend on external stimuli”, says biologist Silvia Cristina Ribeiro de Souza, from the University of São…
Posture recommendation The green swallowtail is a very often kept ornamental fish. He owes his popularity to iridescent color. In addition, it is less aggressive than other damselfish species. Therefore, it can also be kept in a small swarm. The…
ILLUSTRATES Tila BarrionuevoEDITION Felipe van Deursen – (Tila Barrionuevo/) It is a gigantic magnetic distortion created by the Earth’s core, which works like a magnet. The core is divided into two parts, the inner part, formed by iron, nickel and…
Data sheet Costa Rica cichlid German name: Costa Rican cichlid Scientific name: Cryptoheros sajica or Cichlasoma sajica Origin: Central America Size: Body length 12 cm – 17 cm, often somewhat smaller when kept in an aquarium: males approx. 10 cm…
Nobody knows for sure. The two space agencies that want to take humans to the red planet – NASA, from the United States, and ESA, from 17 European countries – are still looking for answers to the problems of returning.…
Advantages and disadvantages of surface skimmer in the aquarium Surface skimmer are nonsensical because they clatter loudly. need constant maintenance and monitoring. Suck up plant parts that float on the surface and then clog the suction device. Suck in feed…
– (Rodrigo Urbano/) SUGGESTION Leticia Cangane, Sao Bernardo do Campo, SP CRIMINAL RECORDName Dimitri Baksheev (1982) and Natalia Baksheeva (1975)place of business Krasnodar, southern Russiadeaths 30 1) Natalia Baksheeva was a nurse at the Krasnodar Air Force Academy. She and…
© JackF ID471783801 stock.adobe.com Hamsters have a great instinctive need to run and exercise. In the wild they lay Routes of about 15 km back in one night. They like to do short sprints.To meet these needs of the animal,…
Reader’s question – Victor, Taguatinga, DF There are several types. But they are all for specific cases: in general, giraffes are quite silent animals. For a long time it was even thought that they were mute, since the sound emitted…
Anyone going on vacation should think about who will water the flowers when they are away. If no neighbor or friend has time, another type of watering can be chosen. Soaking the plants before departure is not advisable. At the…