2009年Scientific American's Six

This is Scientific Americans 60-second Science. Im Karen Hopkin, this will just take a minute. For every action there is a reaction, and for many movements we make, there is an intention. We think about moving, and we move. Now a study published in t

发表于:2019-01-08 / 阅读(198) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. This will just take a minute. Remember the heady days of 2007 before the large economy sized recession? Well, even back then medical problems contributed to over 62 percent of all ban

发表于:2019-01-08 / 阅读(192) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-second Science, I'm Steve Mirsky. Got a minute? Back on January 15th, US Airways Flight 1549 made that amazing water landing in the Hudson after both engines were taken out by Canada geese, which can weigh eight pound

发表于:2019-01-08 / 阅读(211) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-second Science. I'm Cynthia Graber. This will just take a minute. Guys, heres another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and whats called seminal quali

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. For folks whove engaged in the strange ritual of speed dating, finding that special someone is like winning a romantic game of musical chairs. Now scient

发表于:2019-01-08 / 阅读(194) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. What do a hummingbird, a moth, and a maple tree have in common? They all use a similar trick to fly. Okay, okay, a maple tree doesnt fly. But its seeds k

发表于:2019-01-08 / 阅读(210) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-second Science. I'm Adam Hinterthuer. Got a minute? When an Iraqi reporter threw his shoe at President Bush, University of Washington neurologists were delighted. But not because of politics. The fling was just real

发表于:2019-01-08 / 阅读(196) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Could it be that our understanding of rain was all wet? A new study says that some drops of rain are falling faster than they should be. Which ultimately means that it m

发表于:2019-01-08 / 阅读(226) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. About a billion years from now, some scientists say, the sun will be too bright for comfort, and our formerly hospitable planet will no longer be able to

发表于:2019-01-08 / 阅读(199) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. If you were a bird, how big could you be? Well, an ostrich can weigh 400 poundsbut it cant get off the ground. So what if you want to fly? University of

发表于:2019-01-08 / 阅读(203) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

发表于:2019-01-08 / 阅读(201) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-second Science. I'm Christie Nicholson. Got a minute? We might think perfect pitch is an innate talent. Well, a study in the American Journal of Human Genetics is providing some evidence for that. Perfect pitch, aka a

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 Scientific American(七)月

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(200) / 评论(0) 分类 Scientific American(五)月

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(217) / 评论(0) 分类 Scientific American(三)月

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(229) / 评论(0) 分类 Scientific American(三)月

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(210) / 评论(0) 分类 Scientific American(三)月

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(203) / 评论(0) 分类 Scientific American(三)月

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(215) / 评论(0) 分类 Scientific American(三)月

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(204) / 评论(0) 分类 Scientific American(四)月

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

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 Scientific American(四)月
学英语单词
Acanthus ebracteatus
aestival annual
almaktoums
androsov
arrowhead twill
arturo toscaninis
Arvayheer
Asia Clear
Aygavan
Batu Lima, Sungai
boron bromide
brachypodum
breakfast bars
bristle fern
british-cameroons
bunostomun phelebotomum
cathodegraphs
CH
clinker coating
cold status
complex stress
conservation of plant resources
counterfeiteth
Creutzfeldt-Jakob disease
dabrowa
dark adaptations
dead-(and)-alive
demulce
dietary alveoloclasia
downgoing wave
dryades
eigene
electroplating effluent
emplet
entry data
F (friction)
family Xenicidae
fastness to water
ferrum pulveratum
fleet testing
front yard
gap in the market
glass film plates
Glisp
greenhouse planning
Gurz
HA-tag
hardened concrete
hobandnob
hydroxyprostaglandin
Ijebu-Igbo
input-output interface
ivory-type
latex froth building machine
Les Triagoz
limnic coal-bearing series
luhr
maione
marl soil
mating discrimination
messaging API
meteorological effect
monthly mean relative humidity
Mukinge Hill
multi-effect multi-stage(flash)vaporizer
noncontacting electrode
noncontaminated atmosphere
normal population
open type fuel valve
oxoushinsunine
Palo Alto Research Center
papyraceous fetus
parasitifier
piezo electric effect
pndc
polar bear
pounds per foot
pre-sling
Pribnowbox
propenoate
pulsed laser welder
quality of service,QoS
quantum level
radical vulvectomy
reinclusion
ring rim type rotor
saddleth
school-finance
scream therapy
selective retention
self mulching
selikoff
shovel bucket
slowstart
subluxation of lens
sweetling
sweg
tuberculosis of penis
visual identification
ward bed
well-knownness
zant