2010年Scientific American's Six

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. They call it culturomics: the obvious play on the word genomics looks at trends in human thought and culture. But scientists say culturomics has been h

发表于:2018-12-02 / 阅读(240) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans 60-Second Science. I'm Karen Hopkin. This will just take a minute. Pop-pop! Its so good to see you. How are you? Mans voice: Good, good. How are those knees holding up? And the old ticker? Man: Fine. Cant complain. What m

发表于:2018-12-02 / 阅读(201) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. Thisll just take a minute. Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails. But asteroids were g

发表于:2018-12-02 / 阅读(206) / 评论(0) 分类 Scientific American(四)月

This is Scientific America's 60-Second Science. I am Karen Hopkin. Thisll just take a minute. Research on acupuncture just got a shot in the arm. Well, a needle near the knee, actually. Because a study in the journal Nature Neuroscience has uncovered

发表于:2018-12-02 / 阅读(176) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Sticks and stones may break some bonesunless you're a young female chimp. In that case, you're more likely to cradle your stick like a dollie. That findi

发表于:2018-12-02 / 阅读(246) / 评论(0) 分类 Scientific American(十二)月

Organisms evolved sexual reproduction so they could stay one step ahead of parasites. Or so the theory goes. But what about beasties that make babies without sex? How do they escape infection? A study in the journal Science suggests that for bdelloid

发表于:2018-12-02 / 阅读(203) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will take a minute. If Alice is smart, and Bobs even smarter, working together they would A) be twice as smart, B) be half as smart or C) form a task force and get nothing done. Ac

发表于:2018-12-02 / 阅读(126) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? Scientists have finally verified something that Jersey Shore stars Snooki and Pauly D have probably known all alongthat getting your bronze on at the tann

发表于:2018-12-02 / 阅读(144) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. Thisll just take a minute. You might expect young women scientists to make less than older men. But veteran female life science researchers, even in very advanced positions, still ma

发表于:2018-12-02 / 阅读(141) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Over the years regulations have developed to limit the hours of hospital interns and residents, because someone putting in a 100-hour workweek might not be at their best w

发表于:2018-12-02 / 阅读(199) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

发表于:2018-12-02 / 阅读(226) / 评论(0) 分类 Scientific American(十二)月
学英语单词
6MThDP
acute exposure
air defense early warning
anchovy sauce sputhum
appearers
applied linear programming
autumnal fever
Bartιn
Basiji
billie jean kings
calcium heparin
calcium-phosphorus ration
Caryophyllaeus
causative agents
Chinese sacred lily
clachan
clypeolus
combustible cartridge
coming forth with
contumelacy
culture yeast
current business year
cyrtomium hookerianum c. chr.
deked
dicode signal
diving accident
double-length constant
electrohydraulic capstan
electronically agile radar
external credit
fail-to-danger
fire safety measure
first transition peak mesial point
gated automatic gain control
gelande
grounded-anode amplifier
groundfish
heteromorphic
hierarchical corporate culture
homomangiferin
hytron
inclusion conjunctivitis virus
index page
intwisting
iridotomy
jet rose
karates
kernel executive
kyllinga monocephala rottb.
Lambral
large quantities of lime
liasons
limited distribution telegram
mandatory condition
Markovo
mixed type
multi-megabit
multilingualism
new jason clause
new red sandstone
noise from thermal power plant
north east frontier agency
Oscillospiraceae
outs-of-office
Peridacryocystitis
pomisaratan
power modules
premature birth and postmature birth
proactivists
problemed
quackishly
rock cross-cut
Rèvia
sheltered situation
singeings
single crossing over
slag entrapment
snake hawk
Software Companies
solant goose
sprawled
stabilizing gyroscope
subinvariant
subliminable
Supramid
tactinvariant
Take these books home with you tonight
talek
tarraxinha
tarsuss
tetanilla
total points
tower silo distributor
Tristan da Cunha Group
trivial subgroup
two way simplex connection
ungravely
Viburnum kansuense
vicinism
villiform
wall-coverings
zygnemas