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
a sham battle
adjustable frequency
aggregate score
Alseodaphne andersonii
AOAC
artificial signal source
asbestos-cement cladding
black beans
blind-off
bulk of components
cabarrus
Champagne-Ardenne, Région
chemometricians
cis man
closed air cooling circuit
clutch size
continent-crust type basin
cooling fluid loop
dddd
deafferentation
deposited metal
diplopterygium glaucum
drugproofs
Dutchman's-pipe
eagerly
earnings test
education promoting program
Emergency backup generation
empowerment-zone
engineering bionics
englishmen
Epipaleolithic
erosion drilling
Faetano
felicity huffman
four-letter anglo-saxon words
free-quarter
front end control facility package
furnace bosh
go easy with
have a misfortune
heater piece
hepatic distomiasis
homo ludens
huqa
iced creams
in reaction to
index documents
inertial navigation equipment
involute reticle blade
jumping-hare
kalamein
kawakita
keyway broach
kuk-to (gug do)
labor code
Lampris
law of peiority
liquid level gage
macrocladous
makes a clean break
MFTL
Mutiny Act
netmaking
nippin' out
njoku
obliquity of the ecliptic
oil pressure relief valve plug gasket
operating rate of capacity
Pinot grape
power delivery constant
power frequency sparkover voltage
precipitation acidity
precipitation effectiveness index
prima beneficiary
propeller guard
purchase unit
reqs
Scytonema stuposum
seere
segmental plethysmography
slipboard
solution of a differential equation
sophisticated software
spelling checkers
statisticss
struck upon
subfreshman course
tautonymic
three-port networks
trash people
triliteracy
tschermigite
Ulmus macrocarpa
unevaluatable
uniset
unworshiply
wafer capsule
wall-less
xerochasy
zeotropy
zymological