Scientific American's Sixty

This is Scientific Americans 60-SecondScience. Im John Matson, got a minute? Say you need a diamond. You could go downto the jeweler, or you could put some carbon deep underground and let it sitfor a couple billion years. Or you could hop in a starsh

发表于:2018-12-24 / 阅读(176) / 评论(0) 分类 未知分类

This is Scientific Americans 60-SecondScience, Im Christopher Intagliata. Got a minute? Historians have speculated for years thatglobal environmental changes caused some ancient wars to erupt, or evensocieties to collapse. Such connections may still

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Smart phones can provide music, movie times, bus schedules. They can even make phone calls! And now, they might help cut down fuel use while driving. T

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Male nursery web spiders often woo potential lady-friends with gifts wrapped in silk. Mating may ensue, during which a female unspools the present, expecting to find a tasty treat. But the males can be unscrupulous. Some offerings contain inedible pl

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Having a high IQ may have its drawbacks: a new study finds that highly intelligent children are more likely to try illegal drugs in their teenage and adult years. The work is published in the Journal of Epidemiology and Community Health. An ongoing s

发表于:2018-12-24 / 阅读(192) / 评论(0) 分类 未知分类

Confessing to a crime usually is not enough to throw you behind bars. Many states require independent evidence to corroborate a confession. But if a suspect confesses and forensic investigators know, it can cause them to favor evidence in support of

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Here are some Thanksgiving tips from food safety expert Ben Chapman, at North Carolina State University. First, do not wash the turkey. The water splashing off of poultry can toss bacteria around your entire food preparation area. Which is how Aunt S

发表于:2018-12-24 / 阅读(202) / 评论(0) 分类 未知分类

Here is some thanksgiving tips food and safety expert Ben Chatman in North Carolina State University. First, do not wash the turkey, which***. The water splashing off a portroy can toss bacteria around your entire food preparation area. Two, s** is t

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This is Scientific American, 60-second science. I'm Sophie Bushwick. Got a minute? How many Michael Jackson songs do you think became Number one hits? How tall do you think the Eiffel Tower is? How good is your posture? Believe it or not, how you sit

发表于:2018-12-24 / 阅读(267) / 评论(0) 分类 未知分类

The key to a happymarriage and a happy life in retirement, according to recent study, one answeris sex. Researchers m a national data set called 2004 General Social Surveys. Theyanalyze the responses of 238 married seniors, 65 in older, about happine

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Many scientists draw their concepts.For example, if we look at the work of somebody like Maxwell or Faradywe know they drew as part of their inventing

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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? How do you know the moon is not made of green cheese? Theoretical physicist Sean Carroll at the ScienceWriters2011 conference in Flagstaff on October 17th. Well, we know

发表于:2018-12-24 / 阅读(188) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? We produce nine billion food animals in the United States every year. And most of these animals are fed antibiotics throughout their life. And it's the single greatest u

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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(314) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? With the loss of these one, two, maybe 10 million bat individuals in these populations, what are the implications? Bats in the U.S. are being plagued by a fungal conditi

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This is Scientific American's 60-Second Science. I'm Rose Eveleth. Got a minute? Can you tell the difference between a pill and an MM? Can your toddler? Candies and medicine often look similar but confusion between these shiny morsels could be very d

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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

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This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? West Nile virus first appeared in North America in 1999. And it quickly moved across the continent. Now a study has pinned the proliferation on a particular culprit:

发表于:2018-12-24 / 阅读(219) / 评论(0) 分类 未知分类

You walk into the kitchento grab a wait, why are you coming here again? A new study suggests that yourbrain is not to blame for your confusion about you are doing in the new room,the doorway is. The work in the Quarterly Journal of Experimental Psych

发表于:2018-12-24 / 阅读(218) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Nothing says summer like ants. Theyre at your picnics, on your porch, why theres one crawling up your leg right now. Well, now its your chance to turn the

发表于:2018-12-24 / 阅读(297) / 评论(0) 分类 未知分类
学英语单词
a horn
acidophil
acquired linear dermal melanocytosis
adorer
air-operated digital computer
anacusia toxica
angersome
Ardea
ash whip
attached way
Ayer Udang, Tg.
back taper tap
basic activities of daily living (badls)
bidarkees
bjorling
bourdis
breathe of
burning recording
capacity-head curve
capromab pendetide
caudal fins
chief procurator of supreme people's procuratorate
chimbs
chromatography hygrometer
clinopyroxenitic
conditions sheet
costa ricas
crenicara
CVA-BMP
cytrin
default extension quantity
demissionary
differential micrometer dial
dissenting opinion
Domodedovo
drop ammunition
epistatic
every inch
exhaust cooling method
family curves
filtrableness
first-class matter
formal theory
friction conglomerate
gaspipe plier
giant radio galaxy
grissaille
hen's party
hennions
hexacosenoic acid
human testimony and material evidence
inadequative
innocency
inquisitor
Judgement Jugoslav Register of Shipping
kursh
lift-diameter ratio
light wood
log-dec
meat-loaf
medium drawing
MULTIPAC
multiple-spindle honing machine
NAND
New World porcupines
nipponomyia symphyletes
o-i-p
oculus purulentus
Odry
olfactory rod
Order of Canada
overmouldings
papiamentoes
pepinos
photoresponse nonuniformity
pickroon
pregestational hormone
principal fermentation
Puccinia lineariformis
pyrromethene
RAN2B
re-compilation
real time analysis
recorporification
road-traffic system control
rodolicoite
rubus clinocephalus focke r.multibracteatus levl.et vaniot
San Luis, Prov.de
slipped off
smack-smooth
stretcher sb off
strike the root
sulphur-bearing gas
thomson's theory
total reduction gear ratio
train line
trichotrophy
unsampleable
vertical astigmatism compensator
water tank test cock
waveries
wooch