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(183) / 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(176) / 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(173) / 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(191) / 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(175) / 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(193) / 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(175) / 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(204) / 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(179) / 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(192) / 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(192) / 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(165) / 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(191) / 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(199) / 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(202) / 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(192) / 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(189) / 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(193) / 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(187) / 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(157) / 评论(0) 分类 Scientific American(四)月
学英语单词
3-d modeling
a uni
additive oil
airpack
Arnavutkoy
automatic sprinkle system
belt of totality
beyond example
bioherms
Birch Mts.
bottom baryon
brighton beach
brissett
bul.
catecholate
Cinque Terre
clad metal sheet
Cleder
cock of the school
coincidence
collect eyes
collecting note
copper(ii) acetate
copper-clad steel conductor
core deluge system
dispersion induced distortion
double bazingas
edaciously
fail(ure)
fish fillet
fractalkine
fughettas
GORDIODEA
green mineral
greyhens
heterocerid
high-temperature sprinkler
idiopathic myocarditis
immigration authority
india rubbers
invertible amplifier
iso-energetic acceleration
item-on-term file
kiren
Koutonu
Kwangchowan
Laser Monochrome Printers
lemmo
Liepājas Rajons
load-and-go
management bank
Manildra
mass of flywheel
maternal grandchild
maximum entropy filtering
medroxalol
mnos devices
Montgomerys gland
newsvendors
nominal size of drill pipe
object-relateds
open-hearth furnace charging crane
pedipalps
perthitophyre
phenyl-magnesium-halide
photo-sensor
phylogenics
platoon plan
polymorphousness
post-contractual
quadrels
Radulaceae
rammishness
range of nuclear forces
reduce roll
regroupment
rustumite
scotopic vision
sea buckthorn
shursee
side pork
sldp
starch-gel electrophoresis
strato-cirrus
strenghtened
student placement
subacute fatal hepatitis
sweeping repetition time
tax issues
the torch of Hymen
tin whisker
title directory entry
titrons
to practice
torus tubalis
twin blades
unfastidiousness
urnsts
uroscopist
vitolo
voice onset times
weft effect