Fantastisk natur och vetenskap - y grejer
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 -...
"The old appeals to racial, sexual and religious chauvinism, to rabid nationalist fervor are beginning not to work." "The business of who I am and whether I'm good...
