Why is the sky dark at night? You might think the answer is obvious - the sun isn't up! But the only reason the sky looks blue during the day is that sunlight scatters off of the atmosphere -...
Ne demandes pas au soleil pourquoi elle se couche Pourquoi elle en enveloppe sa lumière ou pourquoi elle cache son regard lumineux quand la nuit vire de l'or pourpre au gris Le soleil...
Helicopters have a speed limit that has nothing to do with laws. Well, unless you count the laws of physics. Hey it's me Destin. Welcome back to Smarter Every Day. The show where we do...