The anonymous mask is a well-known symbol in the culture. It is used by groups usually associated with the fight for freedom. However, few know that it has its roots in an event where many innocent people were about to be killed. Find out what ...

Gas and carbon monoxide detectors are simple to use and relatively inexpensive devices that can save health or life. Uncontrolled gas leaks in workplaces and residential buildings are rare today, but it is better not to tempt fate. What is it worth knowing about these ...

Coronavirus is particularly dangerous because of its rapid spread through droplets. By sneezing, coughing and even physical contact infected people can infect others with the COVID-19 virus in a short time. It is also possible to get infected even without the participation of another human ...

There are crowded, warm and primordial places … Especially, when hunting instincts are born in one half of the crowd and the other half activates instincts of survival at the same time. It is a neon jungle, in which man is only an anonymous bulldozer ...

Varroa Destructor is a parasitic mite that attacks honey bees and causes varroosis. It usually starts preying in the spring and, in order to protect bees, bee-keepers use various methods like strips with special synthetic chemicals, they spray hives, use organic acids or beneficial mites ...

Three sharks have met and they‘re discussing their breakfast.‘I have eaten a Chinese today‘, the first one says.‘Was it good?‘, the other two ask.‘Not really, just rice.‘‘And I have eaten a French guy‘, remarks the second one.‘Tasty?‘‘No, only frogs and snails‘, it answers.‘I have had ...

Traces are everywhere. Hooves of a deer, clues left on purpose by children playing hare and hounds, even an advice note in your postbox left by a postman. In forensic science traces have a slightly different significance and make fans of detective novels feel thrills ...

First flashlight was patented by Conrad Hubert, the founder of American Ever Ready Company, 118 years ago. Imagine that then it was only able to give literally a brief flash of light, hence its name. Hand-made from crude paper and fibre tubes, it wasn‘t very ...

If you are planning to purchase a product of higher quality than a simple flashlight from a supermarket for a few pounds, the road may be a bit bumpy but we will guide you through. Range of flashlights too choose from is vast and everybody ...