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Every year, millions of monarch butterflies fly thousands of miles to alight in one specific forest in Mexico. How do they know what direction to flutter? Scientists had thought that an insect GPS system in their brains steered them in the right dire

发表于:2018-12-24 / 阅读(193) / 评论(0) 分类 Scientific American(九)月

Antennae Key to Butterfly Navigation A study in the journal Science shows that monarch butterflies' sun-related directional sensing is governed by antennae, not the brain. Cynthia Graber reports Every year, millions of monarch butterflies fly thousan

发表于:2019-01-02 / 阅读(199) / 评论(0) 分类 60秒科学

Navigation, 3-D Printing in Sensing Technology Lead to New Apps LOS ANGELES 3-D printing, high-speed navigation and a magic mirror are some of the technologies that have come from new computer chips with advanced spatial sensing. Technology startups

发表于:2019-01-14 / 阅读(166) / 评论(0) 分类 VOA标准英语2015年(九月)

On June 6, China published the first batch of photos captured by Gaofen-1, China's first high-definition earth observation satellite. Those pictures will provide valuable information of natural condition and disaster prevention. Li Dong has the detai

发表于:2019-01-19 / 阅读(173) / 评论(0) 分类 世界各地新闻集锦

The most ambitious of these studies is the Stonehenge Hidden Landscapes Project, led by experts from Birmingham University And Ludwig Boltzmann Institute in Austria.-As people walk over the Stonehenge landscape, they are aware of Stonehenge. They may

发表于:2019-01-23 / 阅读(191) / 评论(0) 分类 探索与发现2015年

Leptin is a hormone made by fat cells that tells you when youre full. If you didnt have leptinand some people dontyoud eat too way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kids bo

发表于:2019-01-30 / 阅读(197) / 评论(0) 分类 60秒科学

plateau n. (上升后的)稳定水平(或时期、状态) plug n.塞子 pockmarked adj.有麻点的 polar adj.两极的 pole n.极 porous adj.多孔渗水的 portable adj.轻便的 pose v.形成

发表于:2019-02-06 / 阅读(209) / 评论(0) 分类 英文语法词汇

NE China to set up two drone bases for marine surveillance SHENYANG, Oct. 20 (Xinhua) -- Two drone bases will be established in northeast China's Liaoning Province for real time surveillance on coastal waters, local authorities said Saturday. One of

发表于:2019-02-08 / 阅读(208) / 评论(0) 分类 英语新闻

And the final thing is, again just to reiterate that there's this practical part, 最后,只是再一次重申,这个研究的实际应用方面, and so we've made these anti-quorum sensing molecules that are being developed as new kinds of the

发表于:2019-03-04 / 阅读(237) / 评论(0) 分类 TED演讲教育篇

Why this is interesting is because in the past decade we have found that this is not just some anomaly of this ridiculous, 这个发现之所以有趣,是因为在过去十年间,我们发现这种现象不只局限在这种古怪的、 glow-in-t

发表于:2019-03-04 / 阅读(257) / 评论(0) 分类 TED演讲教育篇

近日,我国首颗商用遥感卫星成功发射。这颗备受瞩目的星星都具备哪些功能?它的升空具有什么意义?在实现人们飞天梦的同时,它又能为我们的生活带来怎样的便利呢? 请看相关报道:

发表于:2019-03-11 / 阅读(240) / 评论(0) 分类 英文语法词汇
学英语单词
air compressing engine
Amlia I.
Anacardium L.
arsenic triethyl
Baardheere
badger
bedplate knife
Black Monk
category mistake
Ceará Ridge
chief-corporal
CINX
coaxial pair
coffee-drinkers
compound motor
conductivity measurement
connotatively
contact pressure moulding
cost internalization
cylinder and dial machine
defeat a bill
defective vision
e-tutorship
epicycloids
expedite report
expenditure on economic construction
fag at
fan load
fingolimod
focal distance of objective
form into line
freezeproofs
gam (gravity anomaly map)
geared machine
general pardon
goitrogen
greenfaced
Grindstone Pt.
growth method
hacksaw frame with plastic handle solid type
high clarinet
hosing
humphreys pk.
hybrid plotter
improved drying oil
independent state of samoas
integral key shaft
interval query
jig and fixture design
kalinga ornata
Kazantzakis, Nikos
konso
kunematics
Lastrup
late development of accounting
Ledebouriella seseloides Wolff.
Lenard
log paper
lymphonodulum
MDC (maximum dependable capacity)
microwave beacon
microwave course beacon receiver
morningless
narals
nervus ciliaris brevis
nodal extrasystole
non-conjugated monomer
non-governmental organizations
nuculana gordonis takaoensis
on-stream time
out-takes
plumbing shaft
pluvius insurance
porcelain carving
realpolitikal
refractory aggregate
reframers
Rhizoma Picrorhizae
Rucker plan
rustprevention
salicylize
shallow curve
shrink wrapping
sodomies
sour mashes
ST_body-movements-and-posture_physical-gestures-of-respect
steerage passenger room
subgrade of special soil
syre
tension disc floating
terrificientiherbosa
the lord of the rings
theca (in corals)
trockenbeerenauslese
tungensis
Venus's-hair
vernier ga(u)ge
vicorps
wangeman
war-steed
water drop