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
-aster
a crying need for sth
allowable unbalance
Ammaroodinna R.
anode breakdown voltage
Anopheles nili
Arayat
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drawing chute
dynamic field spectrometer
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generator-coordinates method
germinal membrane
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handheld drill
igarape
kangarooer
klim
Lehrjahre
liklie
low density polyethylene
macrofibre
Mae-shima
manual data entry module
megaloblast of Sabin
membrane case manometer
Metarrhizium glutinosum
microtransparency
misidentified
morning-after pills
multiplier effect
Namurian
nappie
net borrowing
non-agricultural population
northern scups
O. L. A.
oil rotary pump
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Paluzza
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Stachyurus himalaicus
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