scientific american - 2004 07 - will gene doping change the nature of sport
scientific american - 2004 07 - will gene doping change the nature of sport
... dictates
the overall course of cosmic events, ordinary
matter has the consolation of being the life of
the universe, softening the brute forces of na-
ture like a flower box in the city.
COPYRIGHT 2004 ... measured the or-
bital speed of gas clouds within 11 of these
systems, giving the first unambiguous mea-
surement of the mass of galaxies in the early
un...
scientific american - 2004 04 - has science missed half the brain
... the turn of the 20th century.” The stone “contains more
lithium than any other stone on the planet” and “emits a signa-
ture one -of- a-kind healing energy.” How does the Golden ‘C’
water get these ... matches the natural
firing rate of brain cells. They have recog-
nized, too, that the axons of the corpus collo-
sum, a bundle of nerve fibers in the central
cortex that...
scientific american special edition - 1999 vol 10 no1 - the future of space exploration
... leave a record of their trajectory
angles. One side of the grid will collect comet particles,
whereas the other side will gather interstellar dust stream-
ing from other parts of the galaxy. To ... with x-ray-emitting gas. These
observations may shed light on the nature of so-called dark matter, the
missing mass that scientists believe is holding the clusters togethe...
scientific american special edition - 2003 vol 13 no1 - the edge of physics
... the collision of two
three-branes.
Thus, branes are no longer the ugly
ducklings of string theory. They have tak-
en center stage as the microscopic con-
stituents of M-theory, as the higher-di-
mensional ... dimensions, we will not have any
trouble recognizing the truth of the fun-
damental unified theory. The test will be
whether the theory successfully accounts
f...
scientific american special online issue - 2002 no 03 - the science of war - nuclear history
... federal commit-
ment to research the A-bomb. In the
spring of 1942 Fermi, Szilard and the
rest of the Columbia team moved to the
University of Chicago, where they es-
tablished a top-secret “metallurgical
laboratory” ... director of the Develop-
ment of the National Science Education Standards Project at the Na-
tional Academy of Sciences. From 1978 to 1988 he was...
scientific american - 1993 07 - telling resonable risks from fools' chances
... have
organized themselves into self-perpet-
uating units at the dawn of life. They
show how information can be generat-
ed and processed at the molecular lev-
el. The essence of their genetic infor-
mation ... mu-
tations have accumulated, some of them
will probably reverse a previous change
or duplicate a change in the other se-
quence. As a result, the amount of dif-...
scientific american - 1994 07 - how cancers defeat drug therapy
... returned
the Þrst samples.
The Eagle landed on the surface of a
mare in the Sea of Tranquillity, one of
the dark gray areas that paint the fea-
tures of the man-in -the- moon. They are
the remnants of ... same
region of the evolving solar system. Fi-
nally, the hypothesis explains the most
diÛcult problem: the angular momen-
tum of the earth-moon system...
scientific american - 1995 07 - can implants cure diabetes
... differences
in many of their traits, such as the size
of the skull or the width of the teeth. If
the distribution of measurements from
one group does not overlap those of
the other group, the two groups ... further changes. The ice shelf has retreated;
a 50-mile-long iceberg has calved; and the northernmost
part of the shelf, just above the center of the...
scientific american - 1996 07 - hawking vs penrose
... changes in the ma-
terial.) The wavelength of the laser’s
light limits the number of pits
—and so
the amount of data
—that can be stored
on the disc: the shorter the wavelength,
the smaller the ... 13 in a state -of -the- art movie
theater knows, high-quality, multichan-
nel audio greatly improves the experi-
ence. The DVD movie format specifies
either Dolby Labo...
scientific american - 1997 07 - an endangered buddha contemplates oblivion
... formed the company Vision-
ics). The software represents topo-
graphical features in localized areas of
the face
the position of the nose rela-
tive to the eyes, for instance. Unlike
other often ... their paper. Ralston hopes their re-
search, at the very least, will force theo-
rists to reexamine some of their long-
held beliefs about how the universe
works. “That wou...
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