Scientific American's Sixty

This is Scientific Americans 60-second Science, Im Cynthia Graber. This will just take a minute. I still tend to move my fingers almost subconsciously when doing arithmetic. Well, that might be not so strange according to research published in the Ma

发表于:2019-01-08 / 阅读(168) / 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. If you get a scratch, your skin can heal itself. But if your car gets scratched, it stays scratched. Scientists at the University of Southern Mississip

发表于:2019-01-08 / 阅读(175) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On March 11th, Interior Secretary Ken Salazar called for a moonshot for energy independence. Hes set up a task force to look into the large-scale product

发表于:2019-01-08 / 阅读(175) / 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. People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium. The mosquitoes do have immune sy

发表于:2019-01-08 / 阅读(170) / 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. Seventy percent of all antibiotics in this country go to livestock like pigs and chickens. And concern is growing about drug-resistant bacteria that sp

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Imagine antibiotics that would never lose their punch. New research focuses on drugs that bacteria simply cant resist. Most antibiotics work by killing p

发表于:2019-01-08 / 阅读(170) / 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. The common method of closing a surgical incision is simply to stitch the patient up. There are some issues, though. Good stitching can be challenging,

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. We can get viruses from the Internet. But can we catch viruses on our cell phones? A new study in the journal Science says yes, but the spread of such ma

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(192) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. The heart-stopping news from Stockholm is that the heart never stopsgrowing, that is. Because researchers have shown that the human heart continues to pr

发表于:2019-01-08 / 阅读(210) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? If youve spoken to anyone in New York City, where Scientific Americans offices are, then youve heard about the rain, every day since mid-June. Still, were not in t

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Thrill-seeking stunt pilots spend years learning to perform maneuvers that birds and bees know how to do from birth. Now a new study in the journal Scien

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? Altruism poses a problem for the theory of survival of the fittest. If we help others at a cost to ourselves, nice-guy behavior should die out, because we are giv

发表于:2019-01-08 / 阅读(183) / 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. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(172) / 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. Hard-training athletes boost their performance with a variety of popular sports drinks. These drinks do work. But not in the way youd think. Thats acco

发表于:2019-01-08 / 阅读(164) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? At Antarcticas Blood Falls, the ice is stained red by ancient, iron-rich water pouring out of subglacial lakes formed millions of years ago. The cascading water is e

发表于:2019-01-08 / 阅读(147) / 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 new Yankee Stadium has opened in the Bronx. I went to a game Saturday, and its a much friendlier place for anyone trying to eat healthfully and maintain some envir

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 未知分类

This is Scientific Americans 60-second Science. Im Steve Mirsky.Got a minute? The US Consumer Product Safety Commission and DND Imports of Los Angeles recently announced a voluntary recall of something called the dinosaur Era Two Hunting Dinosaur Pla

发表于:2019-01-08 / 阅读(174) / 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. Climate change is the great environmental challenge facing the world today, but maybe we should start calling it Climates Change. Because scientists who've

发表于:2019-01-08 / 阅读(178) / 评论(0) 分类 未知分类

This is Scientific Americans 60-second Science. I am Karen Hopkin. This will just take a minute. Some names never seem to go out of style, like David or Emily. Some never really catch on. Not many girls are named Laurel, even fewer are named Lauryl S

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 未知分类
学英语单词
Algemene Bank Nederland N.V.
anampses meleagrides
apparatus for on-board communication
automobile current generator
avant garde
axial corallite
azcona
bashmets
bent over backwards
blocked rand
boll
bowdons
bragwort
brunt
chalklands
Chirurgische
chromn
chronicity index
cis-platin
cloth hat
Colisticina
commercial graph paper
Conistone
cooled-air circulation refrigeration machine
cosmo-zoism
crippling test
demilune cells
desglugastrin
Dimethylmeperidine
divergence differential expression
drosera lureiri hool. et arn.
electromagnetic control compass
endoelectrical reaction
exterior capacity
FCC Federal Communications Commission
fuisz
full feathering
function of fluroine
fusarium oxysporum asparagi
gabinete
geology of crystalline complexes
give ear to
graphite machine
hatching period
Hay Lakes
hydroseeders
hypoxylous
incapsulated
incremental momentary speed variation
lingulids
look out for squalls
MacIntel
malicious waste
maximum feasible pressure
membranous sac
mendigo
menorca
minihost
moscas
multicultural pedagogics
nit (nuclear isomer transition)
orntthodoros
p-anisidine
PA-93
phase-space integral
pigeon's milk
polygynious
port daily consumption
posterior trapezoidal tubercle
pressure-induced band
quarrel with sth
quintar
Res Ipsa
ringworm of genitocrural region
room temperature vulcanized silicone rubber
Salix alba L.
sandrammer
scaly winged
schoolteaches
sclerosarcoma
self-preference
semisimple eigenvalue
setoglaucine
sheet stiffener combination
ship chandlery firm
skimming system
sphygmic period
splanchnic mesoderm
spray distributor
stalling moment
sugar diabetes
sustained overvoltage protection device
swivel shear sub
thundersticks
Tilia mesembrinos
Tuttls's mask
two-and-two twill
unduer
Uvedale, Nicholas
varying service
volume of back filled earth works
voyces