Table of contents


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Opinion

Has Mrs Thatcher turned green? p479

The British prime minister has acknowledged that greenhouse gases are an environmental hazard. But how soon should something be done?

doi: 10.1038/335479a0


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News

United States back in space again p480

David Lindley

doi: 10.1038/335480a0


United States back in space again p480

David Lindley and David Swinbanks

doi: 10.1038/335480b0


US role alleged in cover-up of researchers guilty of war crimes p481

Steven Dickman

doi: 10.1038/335481a0


SDI chief quits as funds are cut p481

Seth Shulman

doi: 10.1038/335481b0


New rules for US research grants prove a popular choice p482

Martha Cleveland

doi: 10.1038/335482a0


Olympic dope-test net misses Poles p482

Vera Rich

doi: 10.1038/335482b0


US places further regulations on pesticide manufacturers p482

Carol Ezzell

doi: 10.1038/335482c0


Call for total ban of production and use of chlorofluorocarbons p483

Carol Ezzell

doi: 10.1038/335483a0


FDA urged to review wonder "smokeless" cigarette for safety p483

Seth Shulman

doi: 10.1038/335483b0


Du Pont had nuclear reactor problems p483

Joseph Palca

doi: 10.1038/335483c0


No fallout likely from Cosmos 1900 p483

David Lindley

doi: 10.1038/335483d0


UK government's plans to split teaching and research p484

Christine McGourty

doi: 10.1038/335484a0


Margaret Thatcher's U-turn on support of basic research? p484

Christine McGourty

doi: 10.1038/335484b0


Placebos prompt new protocols for AIDS drug tests p485

Marcia Barinaga

doi: 10.1038/335485a0


Medvedev promoted in Soviet shake-up p485

Vera Rich

doi: 10.1038/335485b0


Observation satellite planned for the 1990s p486

David Swinbanks

doi: 10.1038/335486a0


French government approves abortion pill for commercial use p486

Peter Coles

doi: 10.1038/335486b0


Rocky start for new biology building on Californian campus p487

Joseph Palca

doi: 10.1038/335487a0


British charity deal with Japan on anti-cancer drug technology p487

David Swinbanks

doi: 10.1038/335487b0


Top

Correspondence

Canada's science funding p488

E. R. BOOTHROYD

doi: 10.1038/335488a0


Graduate salaries p488

H. M. KEIR

doi: 10.1038/335488b0


UK science teaching p488

ROLAND DIXON

doi: 10.1038/335488c0


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conference report

Who knows how the brain works? p489

Three hundred scientists gathered in Cambridge, Massachusetts to listen, reflect and argue over how science is proceeding in answering questions about mind and brain. Alun Anderson and Joseph Palca report on Nature's 11th international conference.

doi: 10.1038/335489a0


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News and Views

New horizons in contraception p492

R. J. Aitken and M. Paterson

doi: 10.1038/335492a0


Order in disorder p493

Robert W. Cahn

doi: 10.1038/335493a0


Developmental decisions and pattern formation p494

Miranda Robertson, Biology Editor of Nature

doi: 10.1038/335494a0


Surprises of different kinds p495

J. R. Cann and M. R. Strens

doi: 10.1038/335495a0


A violent birth for Mercury p496

Glen R. Stewart

doi: 10.1038/335496a0


Paired helical filaments and the cytoskeleton p497

Brian H. Anderton

doi: 10.1038/335497a0


A trade not for gentlemen p498

Richard Hodges

doi: 10.1038/335498a0


Signs of variable nucleon size p499

A. W. Thomas and J. E. Thomas

doi: 10.1038/335499a0


Deep green power p500

David Jones

doi: 10.1038/335500a0


Top

Scientific Correspondence

Was Taung human or an ape? p501

MlLFORD H. WOPOFF, JANET M. MONGE and MICHELLE LAMPL

doi: 10.1038/335501a0


Ozone destruction by algae in the Arctic atmosphere p501

RON WEVER

doi: 10.1038/335501b0


Further analysis of multiexponential functions p501

E. YERAMIAN

doi: 10.1038/335501c0


Antifreeze polypeptides come out of the cold p502

S. MANN and B. R. HEYWOOD

doi: 10.1038/335502a0


Antifreeze polypeptides come out of the cold p503

D. S. C. YANG, M. SAX, A. CHAKRABARTTY and C. L. HEW

doi: 10.1038/335503a0


Evolution of new tRNA-synthetase classes p503

PATRICK P. LESTIENNE

doi: 10.1038/335503b0


Top

Book Reviews

Tales of future past p505

Henry Gee, editorial staff of Nature.

doi: 10.1038/335505a0


p506

doi: 10.1038/335506a0


Founding father p506

Robert Temple

doi: 10.1038/335506b0


Moving on the spot p507

Peter D. Moore

doi: 10.1038/335507a0


Pandora's black box: 'mosaic' thermodynamics p507

S. Roy Caplan

doi: 10.1038/335507b0


A shock to the system p508

Peter D. Marshall

doi: 10.1038/335508a0


Top

Review Article

Distinct dental development patterns in early fossil hominids p509

A. D. Beynon* and M. C. Dean

doi: 10.1038/335509a0


Top

Articles

Chemistry of hot springs on the Mid-Atlantic Ridge p514

A. C. Campbell*, M. R. Palmer*, G. P. Klinkhammer*, T. S. Bowers*, J. M. Edmond*, J. R. Lawrence, J. F. Casey, G. Thompson, S. Humphris, P. Rona§ and J. A. Karsonparallel

doi: 10.1038/335514a0


Function of c-mos proto-oncogene product in meiotic maturation in Xenopus oocytes p519

Noriyuki Sagata*, Marianne Oskarsson*, Terry Copeland*, John Brumbaugh and George F. Vande Woude*

doi: 10.1038/335519a0


Top

Letters to Nature

Structural ordering in a calcium silicate glass p525

M. C. Eckersley*, P. H. Gaskell*, A. C. Barnes and P. Chieux

doi: 10.1038/335525a0


15N-depleted N2O as a product of nitrification p528

Naohiro Yoshida*

doi: 10.1038/335528a0


Climatically forced organic carbon burial in equatorial Atlantic and Pacific Oceans p529

Mitchell Lyle

doi: 10.1038/335529a0


Loihi Seamount, Hawaii: a mid-plate volcano with a distinctive hydrothermal system p532

D. M. Karl*†, G. M. McMurtry*†, A. Malahoff*† and M. O. Garcia*

doi: 10.1038/335532a0


Late Archaean terrane accretion in the Godthåb region, southern West Greenland p535

C. R. L. Friend*, A. P. Nutman and V. R. McGregor

doi: 10.1038/335535a0


British bird species distributions and the energy theory p539

John R. G. Turner, Jack J. Lennon and Jane A. Lawrenson

doi: 10.1038/335539a0


Spatial clumping of sexually receptive females induces space sharing among male voles p541

Rolf Anker Ims

doi: 10.1038/335541a0


Fully effective contraception in male and female guinea pigs immunized with the sperm protein PH-20 p543

Paul Primakoff, William Lathrop, Laura Woolman, Ann Cowan and Diana Myles

doi: 10.1038/335543a0


The Caenorhabditis elegans lin-12 gene encodes a transmembrane protein with overall similarity to Drosophila Notch p547

John Yochem, Kathleen Weston*† and Iva Greenwald

doi: 10.1038/335547a0


Lateral inhibition during vulval induction in Caenorhabditis elegans p551

Paul W. Sternberg

doi: 10.1038/335551a0


Insulin stimulation of glucose uptake can be mediated by diacylglycerol in adipocytes p554

Peter Strålfors

doi: 10.1038/335554a0


Trans-spliced leader RNA exists as small nuclear ribonucleoprotein particles in Caenorhabditis elegans p556

Kevin Van Doren and David Hirsh

doi: 10.1038/335556a0


Trans splicing involves a novel form of small nuclear ribonucleoprotein particles p559

James P. Bruzik*, Kevin Van Doren, David Hirsh and Joan A. Steitz*

doi: 10.1038/335559a0


GAL4-VP16 is an unusually potent transcriptional activator p563

Ivan Sadowski*, Jun Ma*, Steve Triezenberg and Mark Ptashne*

doi: 10.1038/335563a0


Structure of antibody hypervariable loops reproduced by a conformational search algorithm p564

Robert E. Bruccoleri*, Edgar Haber* and Jií Novotný*

doi: 10.1038/335564a0


Top

Product Reviews

Designing and planning a laboratory p569

S. McKenney

doi: 10.1038/335569a0


Lab week roundup p570

doi: 10.1038/335570a0


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employment

Foreign support for US education p574

Richard Pearson

doi: 10.1038/335574a0


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