Knowledge Hub for curious people

Lemon is believed to have many virtues: it would allow you to lose fat, whiten teeth, protect against the flu or "detoxify" the body. Should we believe these promises?

The term "terrestrial planet" refers to a planet "similar to Earth." On the other hand, a gas giant can be compared to a giant ball of gas.

We've all experienced it firsthand: nothing sticks to Teflon pans. It is the structure of this material that makes it so perfectly non-stick. 

Why do mosquitoes bite some people more than others? The question has long puzzled and continues to annoy those who happen to be the preferred prey of these animals. Unfortunately, the answer from scientists is different from the kind that provides a solution.

You have just taken your laundry out of the machine, and a nasty surprise is waiting for you: your favorite sweater has turned into a child's garment. What is the reason for this?

On our heads, in general, we have thousands of hairs. These hairs live, die, and generally renew themselves, although this depends greatly on individual situations.