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
absolute scales
air drying machine
al-sabahs
Alexander Selcraig
anterior palatine groove
anti-motoring relay
Arnold-sterilizer
automatic peak limiter
axillary bud
baby tee
baq
basic access
berg till
bladed structure
boyle point
Bruce Peninsula National Park
burden cost
canot cycle
capacitance-temperature characteristic
charge-offs
Chthonia
Colquhounia compta
constant rate of flow
counter stop
cylinder set
death factor
deep pocket effect
direct join
donsie
dynamic balancing test of fan
egg-breaking machine
eurynter
feeding-points
fibre compressive elasticity tester
fuel supply boat
gas phase chromatography
graded system
grasscutter
hablot
Herrera de Pisuerga
honor a debt in advance
hydrazinium picrate
image monitor
image-forming system
Imphal
index instruction
interparalogue
knavishness
lamp manufacturing works
lateral elements
linescore
main engine control console
mcphersons
mechnical equivalent of light
metapenaeus joyneri
methodic chorea
montipora informis
moonlight gasoline
mottie
obtractuous
outworn
photojunctions
pinch reflex
porcelain tip
post nova
postlaunch
priolo
promptbook
pulpify
quaggiest
rathge
recognition image
redressing
regulating property
reluctive transduction
rescue operations
salient mounting
Schnitzler syndrome
scymnus (pullus) sodalis
semi-privilege
Shoreham-by-Sea
sibilations
Sitkalidak Strait
stamp etching
stationary continuous steaming plant
storage distance extension
surface recorder
Teram Kangri Pk.
Terena
the handwriting is on the wall
top-gun
turntable girder
unabsoiled
viroplankton
volume maintenance
Vungu
WAN accelerator
whistons
xylem core
zemstvo
zerofuel weight
zinc fahlerz