Knowledge Hub for curious people

After centuries of conquests, the Western Roman Empire fell in 476 AD. What were the causes of this decline?

As you read this article, it is very likely that you scroll with your right hand if, like 70-90% of human beings, you are right-handed. This human trait is all the more interesting because scientists have been trying to explain it for over a century.

Thirst is only the first signal of dehydration. If you have ever felt thirsty, then you have already been dehydrated. But if not managed properly, the outcome of dehydration can be fatal.

While we spend more and more time sitting at the office in front of the computer or at home playing games, the repercussions on our back are frequent. It is clear that this phenomenon has increased with telecommuting and now affects more people. This is why the market for ergonomic chairs is booming. In this context, we will present the main advantages as well as some tips to make the right choice.

Although there is no magic formula for quitting smoking, many smokers and those close to smokers wonder about the real and verifiable benefits of quitting. Yet, so often misunderstood and even underestimated, these benefits are extremely numerous, and some appear even after only a few days of cessation!

During the day, the sand of the dunes of the Sahara is hot. It would be best if you had good shoes and covered yourself from head to foot, to avoid burning in the sun. But as soon as the night falls, the temperature drops: the sand is a bad heat transfer medium. It quickly sends back the energy accumulated during the day towards the space. Here are some details on this amazing thermal amplitude.