If a tree falls in a forest and no one is around to hear it, does it make a sound?
Author : School in the Cloud
Philosophy | Physics | Sound | Trees
Why is the sun apparently much brighter than the other stars in relation to its distance from the Earth?
Astronomy | Physics | Sun
If a car runs at the speed of light, will the headlights work?!
car | Physics | Speed
Why does sugar dissolve faster in hot tea than in iced tea?
Physics | tea | Temperature | Water
How will the life of a person who cannot read or write be?
Life | Philosophy | Psychology | Reading | Writing
O que torna o ser humano único? (What makes human beings unique?)
Anthropology | Biology | Philosophy
How are you ?
Are we the only thing in this universe?
Philosophy | Space
Why is space dark?
Light | Physics | Solar System
What are trees?
Environment | Trees
What can I do here ?
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