What are chelators? A chelator is a molecule of a substance that accumulates around the central atom of another chemical substance. The word chelator derives from the Greek word for cancer away. The name is intended to make it clear…
These birds, domesticated by man for centuries, are so closely related that they are classified as members of the same family, the Anatidae. They only differ in genera and their respective species. In common, ducks, geese, mallards and swans have…
barbel and guppies Barbels of the genus Barbus, or Puntius, pluck the fins of long-finned fish such as guppies or bettas. Certainly do this: Harlequin barbs and Sumatran barbs also pluck guppies by their fins. threadfish and guppies Dwarf gourami…
– (Leandro Lassmar/) The cusp is the midway point where the Sun is in transition, crossing the last degree of one constellation to enter the first degree of the next. In a simpler way, it is the date on which…
Data sheet three-striped dwarf cichlid German name: Three-striped dwarf cichlid Scientific name: Apistogramma trifasciata Origin: South America Size: Body length up to 6 cm Aquarium Length: Length from 100 cm width and from 40 cm width Contents: from 100 liters…
– (Playback/Playback) A recently published study argues that Lorax, a children’s character created by the American writer Dr. Seuss, was inspired by a species of African monkey. Since the animal appeared, in the 70’s, it was not known exactly what…
The false clownfish (Amphiprion ocellaris) belongs to the genus of anemone fish and is also known as the orange ringed anemonefish. It lives, among other things, in the reefs of Southeast Asia as well as the coasts of north-western Australia.…
Around 1 million people – 989,042, precisely – are having sex as you read this. It is as if the entire population of São Luís, the capital of Maranhão (957 thousand people, according to an estimate by the Brazilian Institute…
Use activated charcoal after medication Carbon filtration is used to remove chemical residues and organic matter from aquarium water. Filtering with activated charcoal can therefore be useful if residues of medication have to be removed from the aquarium. Drugs can…
In Brazil, the record is held by the city of Nova Maringá (MT). In November 2020, the temperature there reached 44.8°C. The number is slightly higher than the previous record, from Bom Jesus (PI), where the thermometer marked 44.7 oC…