ADOLESCENCE
Neither laziness nor rebellion: the real reason why so many teenagers are always tired
Scientists discover that tired teenagers are not lazy, but victims of a biological clock that does not align with school schedules.
You received this number on WhatsApp and you don't know what it means: the secret gesture that moves thousands.
What does receiving the number 7375 on WhatsApp mean is an increasingly common question: behind it is a hidden message that millions are starting to use.