Unconsumed bodies: Pull semantics mean nothing happens until you iterate. No hidden resource retention — if you don't consume a stream, there's no background machinery holding connections open.
Perhaps it’s the biggest question science has left to answer, how did life begin? Now, molecular biologists in Cambridge university have discovered tiny molecules of RNA which they say might provide some clues. Science journalist and author Philip Ball explains what we know and whether we’ll ever find the origins of life on earth.，更多细节参见heLLoword翻译官方下载
Now that she has recovered, they plan to restart their two-year challenge from the start in Studland near Bournemouth on 4 February.，更多细节参见safew官方版本下载
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