What is kosherness?
14-10-2022
What does it mean that something is kosher? The terms ‘kosher’ and ‘kosherness’ are mainly associated with the culture, lifestyle and religion of the Jews. Although...
4 ways to check whether a stone is precious
14-10-2022
Precious stones have fascinated people for decades. They used to serve as a means of payment or a part of ornaments worn by the wealthiest social classes. In the...
Everything That Is ‘Halal’ Is Not ‘Haram’
12-09-2022
Each of the great world religions has its own individual principles which concern, among other things, the consumption of a particular type of food, its origin or...
What is the ionic dissociation of acids?
18-05-2022
Svante August Arrhenius, a Swedish physical chemist and astrophysicist, was the first to discover and describe the phenomenon of the decomposition of acids in 1887....
Advantages of rail transport
13-05-2022
Railways have been one of the key modes of passenger and freight transport since the mid-19th century and continue to play an important role today. Although technology...
Tattoo chemistry
12-04-2022
The word tattoo (tatau) comes from Polynesia, meaning sign or painting. The history of tattooing is very long and goes back over 4,000 years. As early as the beginning...