Scientific American's Sixty

The old expression bird brain, referring to a small or inadequate brain sizeits not all that accurate. Take crows, for example, and other corvids, like jays and magpies. Many corvids have relatively large brains for their body size, and can do amazin

发表于:2019-01-20 / 阅读(60) / 评论(0) 分类 未知分类

Exercise and healthful eating are linked to better healthand so is having a decent circle of friends. Now it looks like that link between friends and better health is true for the major online social network, too: Facebook. Researchers compared the h

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Random numbers are hugely important for modern computing. They're used to encrypt credit card numbers and emails. To inject randomness into online gaming. And to simulate super complex phenomena, like protein folding or nuclear fission. But here's th

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DNA analysis is a staple of crime scenesand crime shows, like HBO's The Night of or the old standby, CSI: We just need to get this to the DNA lab, confirm it's the victim's blood. And then, case closed. And it's not just for crime: DNA sequencing als

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Living at the top of the food chain, sharks can accumulate dangerous levels of methylmercury. So much that pregnant women and children are advised not to eat shark at all. But sharks can accumulate another toxin too, called BMAA, which has been linke

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学英语单词
.ani
abandoned infant
ageable
aggregate national income
asclepias curassavicas
back-fired
bad policies
BD-CELLULOSE
be a piece of cake
bevis
blow run
booby prize
booty call
Bourbourg
brevipen
captain deck
caput articular
carrier vehicle
ceratobranchial segment
Chanco
chiu tzu y?eh
cocto-immunogen
cold pressed juice
commissive mood
coxarthritis
deucing
digital reflection hologram
digital telemeter receiver
directoral
draw a check
everlastingnesses
exercise price
fall witchgrass
fetch around
field slave
fine spray metal transfer
Firuzeh
flow control bypass valve
indirogar
internal damping losses
klystron oscillator
Knole
leaf of negundo chastetree
leaky Rayleigh wave
left module
liquid level control
liquid liabilities
Longhurst Plateau
Michaelis-Gutmann bodies
multitown
muscular receptor apparatus
N-cholylglycine
nappiness
neocolonialization
oil of winter-green
one person
one-way trade
Osterstedt
over-generalisations
pigment minerals
plain squirrel cage motor
prewired option
primary permeability
principal tangent
propagation of light
prussics
raceway for wiring
radio-transmitting set
rapid depreciation procedures
regular screw thread
root registry
root-hair region
rubberstamp
run-resistant
satellite-tosatellite tracking
saw tooth hob
Shahejie Formation
shahstah
shirron
short title catalog
sleake
Snoqualmie Falls
splenoblast
steriliser
stick something up your ass
sturtevant excavating and bagging machine
teleonymph
tetravalelent
thanedom
Thioton
Threskiornis aethiopica
tracking lidar
transition signal
traversing speed
type checking rule
unbalanced ring
unflamboyant
unreservedly
vertical-disk-type butterfly valve
vinylog effect
violent film
weld rate