scientific american special edition - 2003 vol 13 no2 - new look at human evolution
scientific american special edition - 2003 vol 13 no2 - new look at human evolution
... scholars argue that
this rash of discoveries demonstrates that human evolution was
12 SCIENTIFIC AMERICAN NEW LOOK AT HUMAN EVOLUTION
ILLUSTRATIONS BY PATRICIA J. WYNNE AND CORNELIA BLIK
Sahelanthropus ... kadabba
21PRESENT
COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC.
14 SCIENTIFIC AMERICAN NEW LOOK AT HUMAN EVOLUTION
MATT MAHURIN (illustration); ROBERT CAMPBE...
scientific american special edition - 2003 vol 13 no3 - new light on the solar system
... interpretation of some enigmatic ge-
ologic features has until recently resisted integration into a co-
herent picture of the planet’s evolution. Some of these features
hint that the planet’s climate ... the latest x-ray satel-
lites, Chandra and XMM-Newton, can probe tem-
perature and density. For example, Capella
—a stellar
system consisting of two giant stars
—has photospher-
ic temperatu...
scientific american special edition - 2003 vol 13 no1 - the edge of physics
... We have al-
ways supposed that laws of nature break
down at smaller distances. What T-dual-
ity suggests, however, is that at these
scales, the universe looks just the same as
it does at large ... negli-
gible. Theorists have realized that any
fundamental quantum theory that is con-
sistent with the special theory of relativi-
ty will look like a renormalizable quan-
tum field theory...
scientific american special edition - 1998 vol 09 no2 - womens health
... worst
complications, the mortality rate after 10 years is
7.7 percent, reports Katherine A. Halmi, a profes-
sor of psychiatry at Cornell University and direc-
tor of the Eating Disorders Clinic at New ... but rather by
The American Social Health Association (ASHA) is a non-
profit organization that provides information on HPV and
other STDs. ASHA also sponsors the National STD Hotlin...
scientific american special edition - 1999 vol 10 no2 - men
... 48 4-1 321 fax +44 140 48 4-1 320
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scientific american special edition - 2002 vol 12 no2 - the once and future cosmos
... future
INTRODUCTION
2002
SCIENTIFIC AMERICAN Volume 12 Number 2
contents
SCIENTIFIC AMERICAN Volume 12 Number 2
cosmos
EXPANSION
EVOLUTION
COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.
tures living in a perfectly at, ... using simple mathematical relationships. It is best
studied using numerical simulations. To emulate a represen-
tative part of the universe with enough resolution to...
scientific american special edition - 1998 vol 09 no1 - magnificent cosmos
... the vol-
cano Hadriaca Patera. Scientists believe the vol-
cano’s heat may have caused groundwater to well
up, or erupt, onto Mars’s surface at this location. The
possible combination of volcanic ... evidence that
life is widespread on Mars. Yet it is possible that some Mar-
tian life currently exists, cloistered in isolated, energy-rich
and water-laden niches
—perhaps in volcanically h...
scientific american special edition - 1998 vol 09 no3 - the oceans
... Earth that formed
and maintain the oceans—an orbit in the
habitable zone, plate tectonics creating
ocean basins, volcanism driving a carbon-
ate-silicate cycle and a stratified atmo-
sphere that prevents ... American, Inc.
ostat that automatically maintains its sur-
face temperature within the range of liq-
uid water.
The same mechanism may have oper-
ated on Mars. Although the planet is
now...
scientific american special edition - 1998 vol 09 no4 - exploring intelligence
... that pair.
CORBIS-BETTMANN
CORBIS-BETTMANN
A.
B.
Example:
A.
B.
QUESTIONS REPRESENTATIVE OF IQ and other standardized tests include mathe-
matical deduction and computation, spatial visualization ... In 1983 I concluded that
seven abilities met the criteria suf -
ciently well: linguistic, logical-mathe-
matical, musical, spatial, bodily-kines-
thetic (as exemplified by athletes, dancers
and...
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