2011年Scientific American's Six

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Living in the city, you can't escape traffic noise. But it's not just a nuisance. If you're over 65, the noise might be a risk to your health, tooby increasing

发表于:2018-12-24 / 阅读(153) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's sixty seconds science, I'm Steve Mirsky. Got a minute? The eastern green tree frog looks exactly like the close related cops gree tree frog, the big difference between the two species is beneath the surface. The eastern

发表于:2018-12-02 / 阅读(104) / 评论(0) 分类 Scientific American(十二)月

You've found that perfect pricey gift to your significant other. Now you decided to pick up a little something else, but wait! The second smaller gift can actually take away from the powerful impression from the gift No. 1. That's according to the an

发表于:2018-12-02 / 阅读(134) / 评论(0) 分类 Scientific American(十二)月

spiciness is chilli pepper's best defense against seed attacking microbes.but not all chillis are hot, because producing that heat comes at a price.so says a study in journal proceeding the royal society b.researchers look at wild chilli populations

发表于:2018-12-02 / 阅读(122) / 评论(0) 分类 Scientific American(十二)月

material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

发表于:2018-12-02 / 阅读(150) / 评论(0) 分类 Scientific American(十二)月

This is scientific American's 60 seconds science.I'm Sophie Bushwick.Got a minute? For shift workers odd hours usually mean strange sleeping habits and unhealthy meals.And now an editorial in the journal Public Library of Science Medicine takes the p

发表于:2018-12-02 / 阅读(115) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(169) / 评论(0) 分类 Scientific American(十二)月

nobody likes getting shots, but what if you could make the needles so tiny that they broke skin painlessly. engineers from top university have created such micro needles, made from major protein in silk, fibrolin. the work is in the journal of advanc

发表于:2018-12-02 / 阅读(144) / 评论(0) 分类 Scientific American(十二)月
学英语单词
a collection of china
airframe icing
alene r.
angydride
blood-cholesterol
bush
caked depositing machine
carrier fluid
charbon
chrysanthemum leucanthemum l.
Cicevac
citadel deck house
crinome
cupronickel
cut and try procedure
cyclic demagnetisation
denevan
depth reel
dioctylmethane
directrix
engineering index
environmental impact analysis
equipment finance
evinger
feel that
feverless
flying blowtorch
forken
garfield pk.
gaudeamus igitur
graces
heavy and lengthy rates
ignitor leakage resistance
interpain
Keynes, John Maynard
Kivuko
leakocoria
Lesser Eid
lesser included offense
look before and after
management information system ( m.i.s.)
mantle density
mayapples
micf
Micropterus pseudoplites
misrecollect
naphthylvinylpyridine
New Sweden
nitrification
NMIA
oblique vein
open caliber
open circuit operation
order release with shop packet
ornithothoracines
para-phthalic acid
paraffin gas
Pelobatidae
perispicular spongin
phase-blance current relay
photoemissive photodetector
Populus maximowiczii
port-etienne
pseudoselectivity
pulse propagation
pump lead into someone
purchasing function
quick-wear part
rakatas
read around check
reconstituted foods
recovery image
reprisals
resident certificate
San Jacinto Day
scaffole
screenhouses
search graph
set-it-and-forget-it
settingless
square-off
strategic command in the air
summary network
system administration
taccaoside
the new yorker
thermal neutron chain reaction
timespan
tree resistance
twice-laid stuff
twisleton
vector scope
virtual machine / conversational monitor system
virtual warehouse
water-soluble vitamin
wet gas method
Whiteman
whulc
Windows Meeting Space
wreckreation
yourcenar
Zeisel number