scientific american special online issue - 2005 no 23 - the human odyssey

... alongside another human type as recently as 13,000 years ago. The Editors TABLE OF CONTENTS Scientifi cAmerican.com exclusive online issue no. 23 2 Planet of the Apes BY DAVID R. BEGUN; SCIENTIFIC AMERICAN, ... these two hominids behaved 30 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE AUGUST 2005 IAN TATTERSALL and JAY H. MATTERNES have worked together since the early...

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... 1996 28 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE FEBRUARY 2005 COPYRIGHT 2005 SCIENTIFIC AMERICAN, INC. 1 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE JANUARY 2005 COPYRIGHT 2005 SCIENTIFIC AMERICAN, ... games. COPYRIGHT 2005 SCIENTIFIC AMERICAN, INC. 1 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE JANUARY 2005 COPYRIGHT 2005 SCIENTIFIC AMERICAN,...

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... INC. 1 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE APRIL 2005 COPYRIGHT 2005 SCIENTIFIC AMERICAN, INC.COPYRIGHT 2005 SCIENTIFIC AMERICAN, INC. 19 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE APRIL 2005 Hidetoshi ... educational mathemat- ics, a few predate known Western re- sults, such as the Malfatti theorem, the Casey theorem and the Soddy hexlet theorem. On...

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... plasma. The fireball gets trapped by the magnetic field. COPYRIGHT 2005 SCIENTIFIC AMERICAN, INC. 1 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE OCTOBER 2005 COPYRIGHT 2005 SCIENTIFIC AMERICAN, ... into the su - permassive black holes at the galactic centers. Chandra had yet another secret to re - veal: although the moderate x-ray sourc - es were much...

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... EXPERTS COPYRIGHT 2005 SCIENTIFIC AMERICAN, INC. COPYRIGHT 2005 SCIENTIFIC AMERICAN, INC. 19 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE DECEMBER 2005 MATT COLLINS ASK THE EXPERTS Q Q Gigi Kwik of the Center ... to win noth- ing over a long run of plays, as is the case in stone-paper-scis- sors, although not all zero-sum games are fair. The power of game theory goe...

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... WAR: THE SE- CRET HISTORY OF THE GER- MAN BOMB. Thomas Powers. Al- fred A. Knopf, 1993. SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE 14 The Science of War: Nuclear History COPYRIGHT 2002 SCIENTIFIC AMERICAN, ... weaponry. Very soon after the July test, some 60 of us flew from Los Alamos to the North Pa- cific to assist in the assembly of these SCIENTIFIC AMERICAN SPECI...

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... KAMAJIAN 21 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE NOVEMBER 2002 originally published April 1996 COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC. SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE 22 The Search ... OBSCURED PLANET 25 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE NOVEMBER 2002 COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC. form perfect images. If the halo sur- ro...

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... AMERICAN EXCLUSIVE ONLINE ISSUE JANUARY 2006 COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC. 17 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE JANUARY 2006 the notion of harnessing nanotechnology for electronic ... for the nanodrive. The “form fac- tor” can be all-important in the con- sumer electronics marketplace, speci - cally in the mobile area, which we had chosen to a...

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... the surgeon from Argentina, gave the beat- ing-heart approach another boost. He pioneered an operation involving a lim- ited eight-centimeter incision be- tween the ribs on the left side of the ... cluster of con- duction tissue cells collectively known as the sinoatrial node. This node, located at the top of the right atrium, establishes the tempo of the heartbeat; hence,...

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... be slow (or may not hap- pen at all). If the immune response to conserved epi- topes is not strong enough to control the vi- ral population on its own, but the combined effort of the responses ... eliminate a virus if the mi- crobe did not change. On the other hand, if the epitope fueling the dominant response mutates, the corresponding T cell clone may not recognize the m...

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