2015年Scientific American's Six

If you are lost, you need a map and a compass. The map pinpoints where you are and the compass orients you in the right direction. Migratory birds, on the other hand, can traverseentire hemispheres and end up just a couple of miles from where they br

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Wilder protected areas get eight billion visitors a year, and that's just on land. Underwater reserves? add a million to the tally, which, considering these are protected areas, seems like an insane number of people. It isn't insane. Dane Blumstaine,

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学英语单词
adaptive control strategy
Ali Thelat
Allocasuarina
amygdalitis
ballroom dancing
Boerhavia erecta
Boncefin
bounded metric space
brake pipe compensating valve
bus width
cannot say bo to a goose
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concubinal
consumption of modern durables
cortinarius sanguineus (wulf) fr.
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DPLA
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error free
etiophyllin
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genus cestums
glyconeogenesis
hartbees
hemoglobinuric nephrosis
Hexamastix
Hoa Ninh
Humbleton
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intrabony
irmo
magnetic ink character recognition
manic disorders
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memory coherence
montfortista eurythma
multiple lens camera
nixie decoder
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Oppelzone
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platelet function regulator
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prizings
protector of drill pipe
pumiceous structure
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R.C.D.
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shahnai
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