scientific american - 1997 02 - found - 1,000 galaxies

... Boeing 609 will actu- ally be an updated version of the exper- imental, 1970s-era XV-15, which was a test-bed for a military tilt-rotor known as the V-22 Osprey. The V-22’s devel- opment program, ... Horgan PRIZE MISTAKE The n-body problem is solved—too late MATHEMATICS LAUROS-GIRAUDON/ART RESOURCE Copyright 1997 Scientific American, Inc. News and Analysis Scientific American Februa...

Ngày tải lên: 12/05/2014, 15:20

... SciDex™, SCI- ENTIFIC AMERICAN, 415 Madison Ave- nue, New York, N.Y. 1001 7-1 111, or fax (212) 35 5-0 408. Photocopying rights are hereby grant- ed by Scientific American, Inc., to li- braries and ... ambience is ca- sual; he could be holding after-class of- Þce hours at a university or rapping with a partner in a start-up. Instead this is MyhrvoldÕs weekly t•te-ˆ-t•te strategy ses-...

Ngày tải lên: 12/05/2014, 14:48

... with the newest aircraft types: the F-117 Stealth Þght- ers, F-15s and F-16sÑAmericaÕs top-of- the-line ÞghtersÑand the sturdy A-10 ground-attack airplane. Marine and navy aviation units will ... in Central Europe oÝer a guide to appro- priate American tank strength. Ger- many deploys almost 4,000 top-of-the- line tanks, which are as good or better than the Þnest American tanks. France an...

Ngày tải lên: 12/05/2014, 14:50

... cheek-by-snout with people moving into coastal areas pop- ulated with the ani- malsÕ prized food. Ko- alas prefer to eat the leaves of less than a dozen of the 650 na- tive varieties of euca- lyptus ... Mac- quarie, the koala has deÞnitely had its placid existence disrupted. ÑGary Stix SCIENTIFIC AMERICAN February 1995 15 Copyright 1995 Scientific American, Inc. W hen Andrew J. Wiles o...

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... while there ex- ists an acute need for health care by so many Americans, remains diÛcult to swallow. ÑDavid Schneider SCIENTIFIC AMERICAN February 1996 21 Copyright 1996 Scientific American, Inc. S chizophrenia ... numbness. SNX-111, which is a synthetic ω-con- otoxin developed by Neurex in Menlo Park, Calif., is 100 to 1,000 times more potent than morphine. It must be ad- ministered...

Ngày tải lên: 12/05/2014, 15:04

... Analysis42 Scientific American January 1997 CYBER VIEW No More 9 to 5 DAVID SUTER Copyright 1996 Scientific American, Inc.Copyright 1996 Scientific American, Inc. R oughly once a second, a subatom- ic ... SINIBALDI Tony Stone Images Copyright 1996 Scientific American, Inc.Copyright 1996 Scientific American, Inc. News and Analysis Scientific American January 1997 31 sur...

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... Schneider News and Analysis22 Scientific American March 1997 Copyright 1997 Scientific American, Inc. News and Analysis24 Scientific American March 1997 T he first time that paleontolo- gist Olivier Rieppel ... Analysis Scientific American March 1997 37 CYBER VIEW Where the Money Is DAVID SUTER Copyright 1997 Scientific American, Inc. F rom afar, the sun does not lo...

Ngày tải lên: 12/05/2014, 15:21

... ZORPETTE Copyright 1997 Scientific American, Inc. News and Analysis Scientific American April 1997 27 are rapidly finding better methods for protecting neurons against excitotoxic- ity, a process ... Scientific American April 1997 29 Copyright 1997 Scientific American, Inc. I t has been said that “Internet secu- rity” is an oxymoron. Privacy, ac- countability and restrict...

Ngày tải lên: 12/05/2014, 15:23

... complica- tions and respi- ratory symp- toms. Neurologi- cal, psychiatric and ophthalmic diseases were also most preva- lent among the most heavily ex- posed. In an ac- companying pa- per, the ... words. sleep doctor needle cold fruit mountain False-Memory Test HANS-DIETER SUES Royal Ontario Museum Copyright 1997 Scientific American, Inc. W hen I call Ken Purzycki and ask whether I can...

Ngày tải lên: 12/05/2014, 15:23

... Eisenberg News and Analysis44 Scientific American June 1997 CYBER VIEW Disliking the Internet DAVID SUTER Copyright 1997 Scientific American, Inc. 62 Scientific American June 1997 Iran’s Nuclear Puzzle W hen ... Males RODGER DOYLE Copyright 1997 Scientific American, Inc. News and Analysis30 Scientific American June 1997 ANTI GRAVITY Small Fry D ouglas Tallamy retur...

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