Knowledge Hub for curious people

Suppose you still think that the light emitted by your lamps, computers, and other devices is the reason why mosquitoes manage to find you. In that case, it's time to get rid of that misconception and take a closer look at what science tells us.

Our planet Earth rotates around itself without our knowledge. The repercussions of this rotating movement, on the other hand, are numerous. And if it were to slow down or stop, it would drastically alter our planet's appearance.

In winter, the temperature felt in the wind drops sharply compared to a sheltered area. This is due to thermal convection, which also applies to an ordinary fan. 

Even though it is not yet 6 p.m., the Sun has already set. Winter has arrived. And as everyone knows, the days are short. As short as the nights are long in summer. 

The most devastating wind phenomena on the globe are hurricanes and tornadoes. Despite the fact that they can occur in the same place and at the same time, they are two distinct occurrences. What's the best way to tell them apart?

When you pour a sugar cube into coffee, it dissolves quickly. But when the same sugar cube is poured into a cold drink, it takes a long tine before it finally breaks down. Why is that?