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大地与女性

陆成玲 推荐于 2017-02-26 09:54:15
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Hunting dark matter with GPS data | Science | AAAS

scientists have used data from atomic clocks on GPS satellites to search for a type of dark matter.
jate 推荐于 2017-02-09 19:46:24
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Blinded experiment - Wikipedia

Double-blind trials
sherryling 推荐于 2017-01-08 19:54:22
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201505 C-E 02

jayecolleen 推荐于 2016-05-02 13:13:11
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201411 C-E 01

jayecolleen 推荐于 2016-05-02 11:12:56
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200905 C-E 03

jayecolleen 推荐于 2016-05-02 10:01:58
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Norway Then and Now: Tilbakeblikk - The Atlantic

用今昔图片的对比展示挪威的变迁。Tilbakeblikk is the name of a joint project between the Norwegian Forest and Landscape Institute and Norsk Folkemuseum. The project uses photographs taken of the same places separated by long periods of time to illustrate landscape changes in Norway.
清时 推荐于 2015-11-04 10:16:27
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10 Recent Stories That Prove Mother Nature Is Screwing With Us - Listverse

Mother Nature has an awesome reputation. Depending on who you talk to, she’s either wonderful, cruel, awe-inspiring, or horrendously evil. We have a differ
longtingfang 推荐于 2015-10-12 17:14:48
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Walden E-Text | Chapters 2

usbtrade 推荐于 2015-09-29 15:28:05
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