Why are craters on the Moon round? - Skywatching - Castanet.net

Some of the most important discoveries in science have come from people asking obvious questions—things so obvious nobody before bothered to ask.

Some of the most important discoveries in science have come from people asking obvious questions—things so obvious nobody before bothered to ask. Sir Issac Newton wondered why it was that apples and… [+3815 chars]

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