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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(87) / 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(130) / 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(92) / 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(76) / 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(149) / 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(76) / 评论(0) 分类 澳洲ABC新闻快递2014年
学英语单词
(of seedlings)to lift
1-hydrocortisone
actorness
Advaitism
air intake control
aircraft passenger legal liability insurance
AMNs
antiswing device
BNF-like term
Bohr transition
calycule
caravanserais
cascade rotary pump
centrophobic
cerebral neocortex
clinocephalous
cold-prophet
composite neck
cruz
Cueurbitacin
dendrochirus biocellatus
dense negative
deviatoric component
dewille
diallyldisulfide
digital flight by light (dfbl)
discharge site
double pulley
Dubiecko
DVD-ROMs
dynamic Stark splitting
expanded relative form of value
extrapersonal
facies articularis capitis costae
failure orientation
fling off the yoke
foretia
Fortinmicin
function symbols
garrulax morrisonianus
genealogical table
gnathothlibus erotus
gore-fish
grate lever cover
Hagenbüchach
half-herringbone cut
harmonic vibration-rotation band
harmonisings
hightail it
improvement of breed
intel architecture-64 bit
interessent
isogenic
Jangamo
justification of arrest
lerda
low temperature dry cell
macromolecular superconductor
maquisards
melanin
mock-up test
movie projector
multivallate
nonconventional type
open-coding
peach bloom
Pedicularis anas
penstock inside dam
pinealectomize
poblacion
polysynthetic
pulse compressive receiver
quad ammunition carrier
recruitment test
regensberg
romeite
Root-cap
rotary sand drier
roughs it
Saroh
sell into sth
silver bell alloy
ski board
solder connection
staircase maser
Stepinonine
SV 40
swipecard
the ravages of time
thelytocous parthenogenesis
three-beam tube
toluylene diamine
tour brochure
traffic direction circuit
ultraviolet imagery
underrating
virtual employment
warmdowns
Weilburg
whinily
whowe
zingier