Awesome video of a father and son who send a weather balloon with son's favorite toy to the very edge of space. And if you are the first to answer the question correctly you will get a reward.
Not so long ago it was believed that humans are the only specie to successfully transmit the knowledge and acquired skills from one generation to another.
Every once in a while you stumble upon extraordinary people that make you really re-think about the current affairs and the ways of the traditional education systems.
Sailing stones, also called sliding or moving rocks is a geological phenomenon where rocks tend to move and leave long tracks into a valley surfaces like deserts without human or animal intervention.
What is sea level, is it better to walk or run in the rain, why is it dark at night, what is dark matter and many more questions explained in short videos in a real fun and intuitive way.