scientific american special online issue - 2002 no 04 - the search for alien life

... KAMAJIAN21 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE NOVEMBER 2002 originally published April 1996COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC. SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE 22 The Search for Alien ... ground reflections. SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE 15 The Search for Alien Life COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.Searching for Life in Our Solar SystemIf life evolved independently ... anintriguing place to search for life. COURTESY OF BRUCE M. JAKOSKY18 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE NOVEMBER 2002 COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.COPYRIGHT 2002 SCIENTIFIC AMERICAN, ...

scientific american special online issue - 2002 no 03 - the science of war - nuclear history

... 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 HistoryCOPYRIGHT 2002 SCIENTIFIC AMERICAN, ... especially two who did not exactly getalong—but had to by William LanouetteBomb The and the 19 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE JULY 2002 Odd CoupleCOPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.originally ... Heisenberg’s im-print stands out like a sore thumb. Itreads, The proposed pile [reactor] con-13 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE JULY 2002 COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.sists...

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

... anoth-er and the rest of Europe by the retreat of the sea to form the backbone of the Ital-ian peninsula. Large-bodied and small-brained, this creature is so unusual look-ing that it is not ... Oreopithe-cus was more specialized for dining onleaves than was any other Old World fos-sil monkey or ape. It survived very lateinto the Miocene in the dense and isolat-ed forests of the islands ... spe-cial mention. The best-known Eurasianfossil ape, in terms of the percentage of the skeleton recovered, is seven-million-year-old Oreopithecus from Italy. Firstdescribed in 1872 by renowned...

scientific american special online issue - 2006 no 26 - the nanotech revolution

... AMERICAN EXCLUSIVE ONLINE ISSUE JANUARY 2006COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC.17 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE JANUARY 2006 the notion of harnessing nanotechnology for electronic ... andshape 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 hadchosen to address ﬁrst. The Road ... substrate car-rying the polymer ﬁlm are both madefrom silicon and will therefore expand by the same amount if they are at the sametemperature. Additionally, the gap be-tween the tip array and the...

scientific american special online issue - 2003 no 05 - tackling major killers - heart disease

... oxygen-rich bloodto the muscles of the heart. Heneeds coronary artery bypass sur-gery but cannot afford the oper-ation and the lengthy hospitalstay required. (In the U.S., for example, the ... the surgeon from Argentina, gave the beat-ing-heart approach another boost. Hepioneered 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, it is of-ten referred...

scientific american special online issue - 2003 no 07 - hiv - 20 years of research

... 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 combinedeffort of the responses ... that, once in-duced by a vaccine, would protect some-one against infection. But they keep com-ing up empty-handed, which leaves themwith no road map to guide them in the search for an AIDS ... then multiply virtu-ally unnoticed. Sometimes the immune sys-tem will catch up with the renegade groupand mount a defense targeted against the new version of the epitope, but other timesthe...

scientific american special online issue - 2003 no 08 - forces of nature

... EXPLOSIONSilluminate newlyformed craters on Etna’s northern flank.15 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE AUGUST 2003COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC.In 1996 a French-Italian research teamconsisting ... Ionian Sea under the Cala-brian block (the southernmost part of the Italian mainland). Schiano and Clocchiat-ti are convinced that the similarity of the magmas is no coincidence. They believethat ... time researchers believedthat Etna’s position at the crossroads ofthese faults was the explanation for itsvolcanism. The presence of faults, how-ever, accounts only for the ability of mag-ma...

scientific american special online issue - 2003 no 09 - germ wars

... Protease/helicaseRNApolymerase Enve-lope1Envelope2Non-struc-tural2Nonstructural3Non-structural4Nonstructural524 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE NOVEMBER 2003COPYRIGHT 2003 SCIENTIFIC AMERICAN, ... numerous chal-lenges, and the prospects for eradicating the virus altogether appear dismal. At-21 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE NOVEMBER 2003COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC.tempts ... at the Scripps Re-12 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE NOVEMBER 2003COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC. search Institute in La Jolla, Calif., have reported a new syntheticaminoglycoside...

scientific american special online issue - 2004 no 11 - diet and health

... Press,1998.14 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE JANUARY 2 004 COPYRIGHT 2 004 SCIENTIFIC AMERICAN, INC.excited chemists of the time, as they ap-peared to be the very essence of the sub-stance ... vegetables. Sug-ar appeared only at the end of a meal.What happened? Economic consider-ations cannot account for the differ-ence: for the upper class, money was no object. For the poor, both ... creating hypo-cras. With these options before them, the members of the 16th-century courtcould rest assured that they were get-ting a healthy meal.17th-Century CookingBy the middle of the 17th...

scientific american special online issue - 2004 no 12 - extreme physics

... involved, we cannot measure the un-known polarization of a single photon with certainty.LAURIE GRACE9 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE FEBRUARY 2 004 COPYRIGHT 2 004 SCIENTIFIC AMERICAN, ... instanta-neously contains all the in-formation from Alice’s orig-inal, transported there byquantum mechanics. Yet toknow how to read that information,Bob must wait for the classical informa-tion, ... and Zelda change to careers in the non-quantum service industry. THE END15 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE FEBRUARY 2 004 COPYRIGHT 2 004 SCIENTIFIC AMERICAN, INC.should be an attempt...

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