scientific american - 2002 09 - special issue - a matter of time
scientific american - 2002 09 - special issue - a matter of time
... precision.
contents
contents
september 2002
SCIENTIFIC AMERICAN Volume 287 Number 3
features
features
www.sciam.com SCIENTIFIC AMERICAN 5
SPECIAL ISSUE: A MATTER OF TIME
COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.
48 SCIENTIFIC AMERICAN ... southern Alber-
ta. Thirty yards away a 250-milliliter bottle
of mustard agent
—
a cupful capable of
spreading a quar...
scientific american - 1993 09 - special issue - life, death, and the immune system
... member of
the 26-member advisory panel to the
oÛce and an advocate of several un-
conventional cancer therapies, says
mainstream medical science has a
problem of lack of innovation in meth-
ods of ... generally available vaccine ex-
ists for many common diseases, such as
pneumonia, diarrhea, malaria and can-
cers caused by human papillomavirus
and glandular fever virus. Furthermore...
scientific american - 1996 09 - special issue - what you need to know about cancer
... for
all Americans what is and is not “offen-
sive.” PICS allows each individual Amer-
ican to decide.
Instead of creating a single rating sys-
tem that applies the same set of values to
all Web ... get reliable information on
contraception, whereas the demands of education, particu-
larly at the postsecondary level, cause women to delay mar-
riage and childbearing. Sub-Saharan Africa,...
scientific american - 2003 09 - special issue - better brains
... about how many doses
of vaccine are available,’” he declares.
Researching new vaccines to guard against a po-
tential bioterror attack is only a small part of the sci-
42 SCIENTIFIC AMERICAN SEPTEMBER ... alleges, and has placed
undue restrictions on travel as a cost-saving measure and a way
of centralizing control.
Zerhouni remarks that he “hears these stories” about
heavy...
scientific american - 1997 10 - special issue - the future of transportation
... fly-
NORTH AMERICA
LATIN AMERICA
WESTERN EUROPE
CENTRAL AND EASTERN EUROPE
FORMER SOVIET UNION
MIDDLE EAST AND NORTH AFRICA
SUB-SAHARAN AFRICA
CENTRALLY PLANNED ASIA
SOUTH ASIA
PACIFIC ASIA
PACIFIC ... Scientific American, Inc.
at individuals. She was already doing
that as a matter of temperament,” notes
Sarah Blaffer Hrdy, an anthropologist
at the University of California at Davis....
scientific american - 1994 10 - special issue - life in the universe
... apparent brightness of a
galaxy. If one galaxy is four times faint-
er in the night sky than an otherwise
comparable galaxy, then it can be esti-
mated to be twice as far away. This ex-
pectation ... observations
of an eÝect known as gravitational lens-
ing [see illustration on opposite page].
An object as massive and compact as a
galaxy can act as a crude lens, produc-
ing a dist...
scientific american - 1995 09 - 150th anniversary issue - key technologies for the 21st century
... in fact Òat-
tractorÓ refers merely to a mathemati-
cal pattern of behavior into which sys-
tems tend to lapse.
Alan Stein, a Manhattan-based psy-
choanalyst who helped Goldstein orga-
nize the ... and the military
as well as by search-and-rescue squads.
(Specialized in Þnding disaster victims
and lost individuals, those dogs received
national acclaim in the wake of Hurri-
cane Andrew...
scientific american - 1998 09 - a last look at laetoli
... River.
Scientific American September 1998 46
ALFRED T. KAMAJIAN
Copyright 1998 Scientific American, Inc.
HIPPARION TRACKS
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G 1-3
G 1-9
G 1-8
G 1-7
G 1-6
G 1-1 0
G 1-1 1
G 1-1 2
G 1-1 3
G 1-1 4
G 1-1 9
G 1-2 1
G 1-2 2
G 1-2 3
G2/ 3-1
G2/ 3-2
G2/ 3-3
G2/ 3-6
G2/ 3-5
TUFF ... Scientific American, Inc.
G 1-3 1
G 1-3 0...
scientific american - 2002 05 - a fire within - inflammation's link to heart attacks
... are based on mathematical models.
Ecologist Howard Passell of Sandia Na-
tional Laboratories calls this management
plan a “Band-Aid” fix. The real issue for New
Mexico and other Western states, ... dollar-yen market, a correct pre-
diction was made of “antipersistence,” a trad-
able string of ups and downs that appeared in
hourly market data and that persisted for six
hours. A...
scientific american - 2002 06 - spintronics - a new twist in computing
... whether a vaccine that falls some-
what short of that mark could be accept-
40 SCIENTIFIC AMERICAN JUNE 2002
■ Final results from the first large-scale test of a possible AIDS vaccine will be
available ... radiation into gravi-
tational radiation, and vice versa, with near
perfect efficiency. Such a feat sounds as amaz-
ing as transmuting lead into gold
—and about
as plausible....