2013年Scientific American's Six

Astronaut M B spent 199 days on the international space station in 2009.On Feb. 17th 2013, he told kids about his time in space as part of Family Science Day Effort on the Annual Meeting of American Association for the Advance of Science in Boston.Qu

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 Scientific American(二)月

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发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans 60 second Science, I am Sophie Bushwick, got a minute? Comparisons of different animals have shown that larger brains provide greater intelligence, but they also guzzle more energy and have other consequences. Now scienti

发表于:2018-12-02 / 阅读(180) / 评论(0) 分类 Scientific American(一)月

Medicinal tablets are nothing new. Doctors have been dispensing pills for thousands of years. Now, archaeologists have turned up some of those ancient medicines which were preserved in a shipwreck for close to two millennia. The 2nd centry Pozzino wr

发表于:2018-12-02 / 阅读(184) / 评论(0) 分类 Scientific American(一)月

When normal population of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as Clostridium Difficile, C Dif. The mean symptom is nearly constant and debilitating diarrhea. One of the

发表于:2018-12-02 / 阅读(319) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60 second Science, I am Gretchen Kuda Kroen, this will just take a minute. When normal populations of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as

发表于:2018-12-02 / 阅读(144) / 评论(0) 分类 Scientific American(一)月

This is Scientific American 60 second Science, I am Karen Hopkin, this will just take a minute. There are in fact 100 billion galaxies, each of which contains something like a 100 billion stars. Well, Carl Sagan would have loved to get the latest est

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学英语单词
alignment of rudder blade and rudder stock on platen
aoh
barium-strontium titanate
basecourt
bcn.
biological marker compound
black locust
bladepoint
boron meter
Breschet's sinus
charge for telegram
child internal medicine
Cynanchum auriculatum
dadingfengzhu pill
dangerous consequences of a crime
Daygo
denegotiate
despotists
devanagari scripts
Dunlop Tyre
dyit
dysarthrias
Eleaticism
equipotential
essential floral organ
farouche
fiber bundle transfer function
flame scaling
flare-type fittings
fougere
funnel box
gas space
glam metal
ground control mode
Hulsberg
hydraulic tapping
hyperpolyglot
hypoalbuminaemias
ikano
in the village
intradermal reaction
Körmend
lapping mouthparts
Leydig cells
load capacitor
low truck crane
main-
Malva verticillata L.
McConckey cocktail
mean linear velocity of carrier gas
metasystox
Newton Seamount
nonadministrator
noncollision plate boundary system
oil-gas-bearing province
ovulist
pectoral syrup
phenyltin
photovoltaic solar energy converter
phytochemicals
plantar cushion
policy set
port select
practical program
pre-cooling
pressure sensitivity of microphone
pulsation acceleration
Qurayyāt Sālim
radioreagent
readmes
redacts
repair parts line item
retiering
rotary swaging machine
roxboroughs
saddle tank locomotive
sall (signaling aal)
samplement insoection by attributes
selection grid
send over
silverworker
Simonshaven
solid-core post insulator
spoelstra
supernumerary breast
tbcw (turbing building closed cooling water system)
technological operation
thrombosis of ovarian vein
thrust termination time
tidal hypothesis
timing gauge
triaoses
ultra-turbid water
Ursacol
Vargem Grande
variable-value logic
variation of focus
velocity of pulsation
vibration analyzer
water wisteria
Web e-mail
X-rts.