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(68) / 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(78) / 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(77) / 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

发表于:2018-12-24 / 阅读(81) / 评论(0) 分类 未知分类

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(93) / 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

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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(72) / 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

发表于:2018-12-24 / 阅读(66) / 评论(0) 分类 未知分类

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(159) / 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

发表于:2018-12-24 / 阅读(107) / 评论(0) 分类 未知分类

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(84) / 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(72) / 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(121) / 评论(0) 分类 未知分类
学英语单词
a set of apparatus for road making materials
administrative neutrality
agnatically
al-yawms
anaphors
angioamine
Anglicity
angui-
artificial irrigation
bait
bisbid
blue-eyes
bottomming
caffeic acid
centimeter gram second
cerealist
charks
cherry witchess broom
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concatemerization
cottonseed hull flour
credibley
dahr
differential spider pinion
din-dinss
disk file assignment table
distance sum measurement
dopier
down-flow
education services
eleuthera i.
enomosphore
Entner Doudoroff pathway
environmental determinism
equivalent period
european backbone
Europhobia
exoamylase
feedback pairs
feeder drain
flacius
foreign exchange collections
fumfers
furdling
genus kolkwitzias
glucuronyl
green tack
grisette
halogen cycle
hippotragus
hose reel assembly
in-line check valve
isoamyl ether
laboratory investigation
Largidae
low voltage transformer
lucifer match
male-female
many valued
nanographene
niccochromite
nickelous ammonium sulfate
nonviolent principle
open roadstead
order isopodas
passenger-kilometer
piracetam
pre natural
Puchezhskiy Rayon
puetz
pulp-and-paper
pulse discharge
Pycreus sulcinux
Rasboute
recording of abnormality
RNEC
rotation radio beacon
rpes
samsung electronics
scaling hypothesis
self-breakup unit
septum bulbi urethrae
set and honour step
sporophore
sprung on
standard normal random variables
stopclock
Svarta
swan
teachers association
three high lauth plate mill
titers
Uchinoura
undermilled
Wikstroemia subcyclolepidota
within someone's reach
wool skins
yervand
zozimuss