Butterfly cichlid male and female / © Carmen Brehm The surest feature for sex differentiation is a wine-red spot in the middle of the belly of the female. The spot is very clear and deep red. However, the stain can…
It’s simple: because the taste of human secretions depends on the material they are made of. Most of them are made up of water and protein. Some, like semen, milk and sweat, taste different depending on what we eat. “An…
Data sheet Chinese fire-bellied toad Latin name: Bombina orientalis Origin: southeastern Siberia, northeastern China, Korea Size (in cm: 5-6 cm behavior/stocking Lining: live insects and worms Behave: Active during the day and at dusk, quiet outside of the mating season,…
ILLUSTRATES Andre TomaEDITION Felipe van Deursen mountain spaIn 1903, Barbacena, MG, gained the nickname of “City of the Crazy”, thanks to the inauguration of seven psychiatric institutions in the municipality. At the time, resorts with a mild climate, such as…
What is scum skin? In some aquariums, a layer that resembles an oil film forms on the water surface. This so-called scum skin can take on a dull green color, but does not shimmer in the colors of the rainbow.…
There are 6,909 different languages spoken around the world, according to the Ethnologue compendium, which catalogs the languages of our planet since 1950. But most of these languages we hardly hear: 6,520 languages (about 94% of the total) are in…
Disclaimer | Important NOTE: Note: Please note that this page treats all information without guarantee and has no guarantee of correctness. Furthermore, online information does not replace a visit to the veterinarian. For any questions regarding medication, treatment, illness or…
The construction of the pyramids put thousands of Egyptians to sweat, required advanced knowledge of mathematics and many stones. Of the hundred known pyramids in Egypt, the largest (and most famous) is that of Cheops, the only one of the…
Disclaimer | Important NOTE: Note: Please note that this page treats all information without guarantee and has no guarantee of correctness. Furthermore, online information does not replace a visit to the veterinarian. For any questions regarding medication, treatment, illness or…
»> In theory, the technique is quite simple. All you have to do is hold the fork, whether made of wood or another material, with your palms facing upwards, applying a little pressure to bend the ends outward. When the…