Scientific American's Sixty

I have now worked in seven states across India, and weve looked at human-wildlife interactions, particularly human-wildlife conflict ranging from crop loss, livestock predation, human death, human injury and property damage. Krithi Karanth, a Wildlif

发表于:2018-12-24 / 阅读(109) / 评论(0) 分类 未知分类

Honeybee stings are painful. But they're also fragrant. If a beekeeper gets stung by bees, it smells like banana. Dr. Stefan D?tterl, a plant ecologist at the University of Salzburg in Austria. That banana scent, he says, is a compound called isoamyl

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When the Arctic Ocean freezes over in the autumn, polar bears set off in search of their favorite meals: fatty ringed seals and bearded seals. By the summer, the sea ice begins to melt and break apart. Deprived of access to the tasty seals, polar bea

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Every two weeks, on the full and new moons, the sun, moon and Earth fall along a nearly straight line. The combination of gravitational forces in this arrangement creates large swings in the tides. But the celestial alignment affects more than the oc

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Many people remember the colors of the rainbow by the acronym ROY G. BIV. For red, orange, yellow, green, blue, indigo and violet. Well, the color indigo just made news. Indigo gets its name from the plant Indigofera tinctoria and its relatives, whic

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[Songbird and traffic noise] It's hard to be a bird in our human-dominated world. You can barely hear yourself sing, let along hear the songs of your friends and you can forget about hearing a predator. Noise is almost everywhere. Especially noise fr

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Only about 23 percent of the worlds land area is still what youd call wildernesswhere indigenous people, wildlife, plants and microbes get a chance to live with little or no disturbance from large human populations. But even that current figure of 23

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Turns out, education pays off. Thats true whether youre a doctor or a lawyeror even a mobster, according to a new study. Researchers compared the FBI files of more than seven hundred Italian-American mafia men from the '30s to the '40s to other nonmo

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River otters, like other social animals, have to carefully weigh the costs and benefits of hanging out in large groups. A big group makes it easier to catch fish, which seems like a good deal, but there's a downside to social life too. More otters me

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Washington state is the countrys largest producer of cherries and blueberries. The states wine industry is second only to Californias in value. But one non-native, nuisance bird is wreaking havoc. [Sound of starling call.] The European starling was b

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Ever wonder how the citizens of Metropolis somehow could not recognize Clark Kent once he ditched the glasses and became Superman? Well, now theres an actual scientific explanation: When a person alters their appearance, even in small ways like addin

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Standing in line at passport control isn't the most relaxing experience. The officer looks at your passport at you back at your passport back at you. Kind of nerve wracking. But put yourself in their shoes. They're trying to figure out if your face i

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Volunteers in scientific studies sometimes get compensated. The payment can be cash, a gift card or something almost worthless: Its amazing what people will do for a lollipop, when they've had a few drinks. Simon Moore is a professor of public health

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Not many scientific studies begin like this: Many hours of watching YouTube clips. Trying to find as many yawns as possible. But for Andrew Gallup, an evolutionary psychologist who studies yawning at the State University of New York, it was all in a

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学英语单词
adaptive delta modulation(adm)
Adrenalotomy
Alawis
allogenic skin graft
allylalcohol
Amomum tsao-ko Crevost et Lemaire
animatenesses
Armissan
astragalocalcaneal
atavaquone
backplastered
barnacle
be at war
bifactor model
bischoffs
breed in and in
bucket-brigade
Buddhisms
callistocythere chihyunga
carbon-zincs
carcinoma of seminal vesicle
caycoideous
cheiropters
clanged
co-operative bank
colour range
container train
cotimazin
Couva
Cruveilhier's atrophy
diagonal integration
extraordinary disburse
fixed-sequence wiring analyzer
flared coupling
Folium Stramonii
Franois Premier
Freecyclers
go spare
hard shelled
high voltage electron microscopy
homogeneous design
hypothome
in-phase filter
insectifuge as feed additive
interburner
international contacts
intrapelvic
Isachne
Katayama disease
lead compensation
lettres on dancing and ballets
lig. stylohyoideum
listening frequency
lost returns
Lysimachia debilis
make-a-dates
male sterile maintainer
mandelstam invariants
Mbam
mean length of turn
mean threshold shear stress
MHLC
mid-septembers
multiple rate of exchange
nourishing yin and promoting granulation
octandrious
optoacoustic transducer
password information
perfect title
police story
Postcomm
process plant
processor type
prolog programming language
Raman frequency
reference reflector of Michelson
renanolone
sagittal axis
save the situation
screen distance
shores
simplex wave winding
simulfixes
single-rate
spielmeyer-vogt diseases
stabilizer reboiler
superbas
swinging radius
Syrianism
Taklamakan Desert
task command
theory of two-step flow
theory on preparing Chinese crude drugs
total arc of transmission
triglycine sulfide
us pc
used to the pain
vagina fibrosa digitorum manus
Vérosvres
watevs
wet pack
wheel driven drill