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 -...
We are all connected; 私達は全てつながっている。 To each other, biologically お互いに、生物学的に To the earth, chemically 地球に、化学的に To the rest of the universe atomically 残りの宇宙には原子的に。 I think nature's imagination...