Category: Nature

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.

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. 

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?

We curse it when it makes it difficult to get around, but we love it when it puts a big smile on our children's faces or when we have to go down the slopes. Snow. What if we were to reveal some of its secrets?