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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(47) / 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(87) / 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(48) / 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(33) / 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(91) / 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(37) / 评论(0) 分类 澳洲ABC新闻快递2014年
学英语单词
A. T. D.
agapism
air inlet duct
albert diagonal
amino-nitrogen
antihepatitis drug
arrival condition
as poss
Bad excuse is worse than none at all .
beam reflector antenna system
bethe-heitler cross-section
bilious fever
braamfontein
brushmaker
bursae infrapatellaris profunda
chondromatous endothelioma
collapse properties
contracted-out
corroboratings
cosines
cunobelinuss
dead end switch
diepoxy diluent
Dispraise by evil men is praise.
dissipation functions
dodecagon
drying machinery
dual linear program
economic section for beam
enard
equinoctial rain
Erianthus arundinaceus
ethyl arsenate
excuses for delay
framepacks
fuel quantity gauge
FWQA
Gideon Society
glare index
gleewoman
goenka
great-great-grandparents
hardball
helminthotoxic
indirect charge
involve yourself
Jubbulpore
kelp bed
Khasavyurt
lakes and ponds
lastings
lever stopper
liquor iodi fortis
lose momentum
machine gas cutting torch
mbiss
medical gloves
Mervastrept
microengine
minuta
monometalists
multipart pricing
neutron ray
Nicotiana tabacum L.
nonreversibility
on the thither side of thirty
ouwe
overburden ratio
peas and carrots
pentathlete
planetary gear drive mechanism
polystyrene resin
Portreath
position finder
pumice powder
quodlibets
ready task
Really Simple Syndication
Ribiers
ruellia bittoniana
scampishly
self-provided foreign exchange
semi-automatic circuit
sexalicious
sharp resonance reaction
solid-image light microscope
speed of manipulation
spoke-like
static frequency change
strategic philanthropy
stukes
subarrangement
sweep-frequency
Tangse
the eight immortals
thermostatic cutout
trend growth rate
tumble driers
twin-input reduction gear
twohigh
uvomorulin(E-cadherin)
variedades