scientific american - 2001 06 - the paradox of the sun''s hot corona
scientific american - 2001 06 - the paradox of the sun's hot corona
... Growth
CORONA
JUNE 2001 $4.95
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SIGN LANGUAGE AND THE BRAIN
■
HOW DO FLIES FLY? (SEE P. 48)
The
Paradox
of the
Sun’s Hot
Copyright 2001 Scientific American, Inc.Copyright 2001 Scientific ... absolutely firm
in their convictions. And if you say to either one of them they’re
wrong, then they start tuning you out.” So McNutt tries to make
the 15-year-olds...
scientific american - 2001 12 - india, pakistan and the bomb
... Scientific American, Inc.
36 SCIENTIFIC AMERICAN DECEMBER 2001
BETTMANN/CORBIS
Profile
of the most-talked-about environmental issues of the
20th century.
The year before her 1986 walk in the cold, Sol-
omon ... suf-
fered a triple-decker weather disaster while crossing
the Ross Ice Shelf, the last leg of their return journey
from the pole. That 400-mile crossing sh...
scientific american - 2003 04 - 50 years of the double helix
... dis-
covered property of the neutrinos themselves.
Ironically, the confirmation of our best theory of the sun ex-
poses the first flaw in the Standard Model of particle physics
—
our best theory of ... The average of their answers is the ba-
sis of the subjective threshold calculation, in-
dicated by the dark blue line. On average the
respondents named a figure 7...
scientific american - 1993 06 - tuning in the radio signals of ancient galaxies
... Furthermore, if the hot
end of the rod is then plunged into ice,
a wave of cooling will follow the wave
of heat down the length of the metal.
In the same way, temperature ßuctua-
tions at the ... gam-
ma-chain gene were causing the im-
munodeficiency. With the further assis-
tance of Howard M. Rosenblatt of the
Baylor College of Medicine and Alexan-
dra H. F...
scientific american - 2000 06 - the birth of molecular electronics
... Africa.
The map shows data on the prevalence of wheezing
—a com-
monly used indicator of asthma
—for 1 3- and 14-year-olds, tak-
en from one of the largest epidemiological studies, the Interna-
tional ... FFlloooorr??
Molecular
Electronics
The Birth of
Copyright 2000 Scientific American, Inc.
Scientific American June 2000 37Profile
Profile
served specimen of one of...
scientific american - 1993 03 - black holes and the centrifugal force paradox
... together can determine the thick-
ness of the ice and the nature of the
underlying rock. With Robin E. Bell of
the Lamont-Doherty Geological Obser-
vatory, the co-leader of ALICE, Blanken-
ship ... unsound. Thus, the largest block of
problem states is not in the Òrust beltÓ
of the North, nor in the high-traÛc re-
gions of the Northeast and Southwest,
but ra...
scientific american - 1994 06 - was there a race to the moon
... angular
momenta. The eccentricity of the cor-
responding elliptical orbit determines
the spread. The square of the magni-
tude of the wave function gives the
probability for Þnding the electron at ... conditions. At the be-
ginning of the race, the runners line up
at the startÑthat is, they are well local-
ized. Each one runs in one of the quan-
tized Bohr...
scientific american - 1995 06 - the world's strongest magnets
... that
they were the few Cretaceous survivors.
The foundation of this theory began
to shake in 1981, when fossils of Òop-
posite birdsÓ were unearthed in China
and, then, all over the Northern Hemi-
sphere. ... Final cut, the size of the dress-
ing room, or the hors dÕoeuvres avail-
able for on-set snacking the point of
power in Hollywood is to use it to exer-
cise control....
scientific american - 1996 06 - the space station
... microorganisms.
If the impact of urban agriculture con-
tinues to broaden, the notion of the gar-
den city
the turn -of -the- century dream
of urban centers lined with trees and or-
namental plants
—may ... condi-
tion. Blood vessels connected one cham-
ber in the fetus’s heart to the coronary
arteries that feed the heart, resulting in
a backwash of blood flooding the...
scientific american - 1997 06 - the microchip that rewires itself
... traveling the interstate
since the wee hours of the morn-
ing and what they might say
when they arrive at the Capitol
and meet with their elected rep-
resentatives. Most of his audi-
ence probably ... or their distribution. In the
Northeast, with its meadows and for-
ests, they are abundant, but in the Mid-
west, with its vast expanses of mono-
culture crops, they are scarce...