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This is Scientific Americans' 60-Second Science. I am Karen Hopkin, this will just take a minute. Most school kids know that snakes can see with their noses, Vipers in particular have these organs on their noggins that allow them to see heat which he

发表于:2018-12-24 / 阅读(358) / 评论(0) 分类 Scientific American(一)月

Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu

发表于:2018-12-24 / 阅读(442) / 评论(0) 分类 Scientific American(九)月

THIS IS AMERICA - Inside the Complex Worlds of Deafness and Deaf Culture in America Hearing technology offers more hope than ever. Yet the devices are not always welcomed. Also, how one young woman is learning to accept herself for who she is. Trans

发表于:2019-01-11 / 阅读(411) / 评论(0) 分类 VOA慢速英语2008年(五)月

Hearing, smell and sight are all well refined. We can look at the sense of vision and see the attributes of a predator. T-Rexs eyes are 40 centimetres apart providing exceptional binocular vision, the ability to perceive depth. An eye is essentially

发表于:2019-01-23 / 阅读(336) / 评论(0) 分类 探索与发现2013年

Teen Inventors Fight Tinnitus Irish teenagers Eimear OCarroll and Rhona Togher developed a treatment they hope will help people with tinnitus, an unpleasant ringing in the ears. Cynthia Graber reports Ever get a ringing in your ears after a loud blas

发表于:2019-01-30 / 阅读(448) / 评论(0) 分类 60秒科学

And when the markets in Europe closed a couple of hours ago, the London FTSE 100 was down 110 points. The Dax and Euro also down. In the US, trading comes to a close shortly. The Dow Jones is down. And the Australian dollar is worth around 87 US cent

发表于:2019-02-14 / 阅读(358) / 评论(0) 分类 澳洲ABC新闻快递2014年
学英语单词
a school of fish
absorber oil
Aethroma-30
Aksa Martyrs Brigades
all-dancing
Apollo Data Bank
associated graded ring
asynchronous time division
auditor's liabilities
bawdseys
bitulithic
blackstream
boron trifluoride ionization chamber
Carex phacota
case in chief
center circle
Chany, Ozero
check-raised
chiodecton crassum (dub.) a. zahlbr.
chucking power
collapsible core box
composite patterns
construction standards
crested wheatgrass
cylinder lathe
definite time limit release
discreditability
disheartening
Dupont
external database
feeled
festoons
floating-point arithmetic operation
galactoenzyme
gazella thomsonis
geochronologic unit
guarded against
heterophagous animal
Hickmann
hydrosulfite of sodium
hymnaries
international practical Celsius temperature
joint deployable intelligence support system
joran
Juglans sigillata
Kingsoft Recite
lactic acids
logits
lot-size inventory management
Mahalaleel
market unchanged
mBank
median magnitude
methyl-sulfocyanate
molomjamts
moundsman
multi-constant speed motor
multiple-bit
near-edge
neral
Nicoron
no-scope
nonnitrogen
on offense
overeaten
pick half screw jump
piston type air compressor
pole instrument
pre dating
preparate
product footprint
promotional freight rate
resonance electron
revelations
robot flying bomb
rubber dibromide
scapular points
semiclosed top mould
stomatal indices
strenuous vibration
studio exterior
surbedding
syndrome of yingfen and xuefen invaded by toxin
Taewang-ri
take shelter from
tension test apparatus
tetrazoline colorimetry
third-generation phototypesetter
time-element relay
Tingwall
Tonj R.
trigonometric identity
tuberculous mastitis
Turkestan
uk telephone
Unch'ang-ri
undisturbed one output signal
unit synchronizer
wobbler mechanism
wolf whistle
Xanten