ANEWANCIENTHUMANNewStunningfossilspromisetorewriteprehistoryGOODVIBRATIONSThesurprisecomebackofmusictherapyScientistSQUIDVADERS!StrangeshrinkingkrakentakeoverthePacificWEEKLYSeptember12-18,2015THE OTHERPERIODICTABLEThechemistryweseeisn'teventhehalfofitScienceandtechnologynewsNo3038www.newscientist.comUS$5.9517098930690US jobs inscienceCANS5.95SPECIALREPORTREFUGEESWhat the numbers and evidence really say
WEEKLY September 12 - 18, 2015 SPECIAL REPORT REFUGEES What the numbers and evidence really say The chemistry we see isn’t even the half of it THE OTHER PERIODIC TABLE Science and technology news www.newscientist.com 0 70989 30690 5 US jobs in science 3 7 No3038 US$5.95 CAN$5.95 A NEW ANCIENT HUMAN Stunning fossils promise to rewrite prehistory GOOD VIBRATIONS The surprise comeback of music therapy SQUIDVADERS! Strange shrinking kraken take over the Pacific
News★口Afterhandshakeswesniffpeople'sscentonourhandAfterhandshakes,wesniffourhandYouTubYou won'tbelieveyou doit,butyoudoAftershakinghandswithsomeone,you'llliftyourhands to yourfaceandtakeadeepsniff.This newly discovered behaviour-revealed bycovert filming-suggests thatmuchlikeothermammals,humans usebodily smells to convey information.Weknowthatwomen's tearstransmitchemosensorysignals-theirscentlowersfosteronelevelsanddampensarousalin1Freesampleissues
Free sample issues
NewScientistSee scienceeverywhereEnjoyfreesampleissueswithintheappDownloadtheNewScientistapptodayANDROIDAPPONAvailableontheDownloadfrom-GoogleplayAppStoreWindows Store
Download the New Scientist app today See science everywhere Enjoy free sample issues within the app
NewScientistHONTAROEVERYTHINExplore more this summerSubscribeandsaveupto73%That'saslow as $2 per weekVisitnewscientist.com/8224orcall18888223242or16367364901andquoteoffer8224NewScientist
Subscribe and save up to 73% That’s as low as $2 per week. Visitnewscientist.com/8224 or call1 888 822 3242 or 1 636 736 4901 and quote offer 8224 Explore more this summer
Volume227No3038CONTENTSThisissueonlinenewscientist.com/issue/3038LeaderNews5In the discussion over refugees entering8Europe,evidence is sorely lackingNewsNewancientUPFRONT6humanfoundDid hormone treatment spread Alzheimer's?Rich nations rack up massive climate debtStunningfossils8THISWEEKpromiseto rewriteSpider galaxies seen eating cosmic gas.prehistoryCatchingcancerearlywithtumourtraps1O SPECIALREPORT:REFUGEES13E003EWhy accepting refugees makes economicsense. Howtechishelping people travel-and settle. The mental and physical toll16INBRIEFFaster trains causetraffic jams.Hawks forceOnthecoverfieldprotectshummingbirdsNewScientist8Anewancienthuman28Fossil rewrites prehistoryTechnology36GoodvibrationsTHEOTHER18 How the tech behind bitcoin is going toPERIODICMusic therapy comebackTheothertakeover the world. Therapist in your pocketTABLE32Squidvaders!periodictableTaenteutarsShrinking kraken takeApertureover the PacificThechemistrywesee10 Refugee crisis22 Underwater rainbow glistens on coral reefisn'teventhehalfofitWhat the numbers andevidence really sayOpinion24 Liberate science Donald Brabenon whatstifling radical research does to economiesCoverimagererugusyheamteswdeissedy25 One minutewith...Margot Hirsch Let'sPop Chart Labusetechnologytomakeguns safer26 Digitalsuffering Can software simulationsfeel real pain, asks Anders SandbergFeatures36Features28 The other periodic table (see above left)32 Squidvaders! Strange shrinkingkrakenGoodtake over the Pacificvibrations36Goodvibrations(seeleft)ThesurprisecomebackCultureLabofmusictherapy40 All the world'salab Can thetheatre takeADonscience'sbig ideas?PLUS:Fromhumanity's cyber end to its salvation42 Allife ishere Making evolution excitingRegulars53 LETTERS Ispeak,thereforelam?Coming next week...56 FEEDBACK Political beasts57 THELASTWORD DungaddictsOutwiththeoldreedbusinessFlushing away thecells that age youinformationImaginary worldsCrazy planets we haven't discovered...yetrecycle12 September 2015|NewScientist|3
12 September 2015 | NewScientist | 3 CONTENTS Volume 227 No 3038 This issue online newscientist.com/issue/3038 Coming next week. Out with the old Flushing away the cells that age you Imaginary worlds Crazy planets we haven’t discovered. yet Cover image Pop Chart Lab 28 36 New ancient human found Stunning fossils promise to rewrite prehistory 8 BSIP/UIG VIA GETTY IMAGES LEE BERGER ET AL. The other periodic table The chemistry we see isn’t even the half of it Good vibrations The surprise comeback of music therapy News On the cover Features 8 A new ancient human Fossil rewrites prehistory 36 Good vibrations Music therapy comeback 32 Squidvaders! Shrinking kraken take over the Pacific 10 Refugee crisis What the numbers and evidence really say News 6 UPFRONT Did hormone treatment spread Alzheimer’s? Rich nations rack up massive climate debt 8 THIS WEEK Spider galaxies seen eating cosmic gas. Catching cancer early with tumour traps 10 SPECIAL REPORT: REFUGEES Why accepting refugees makes economic sense. How tech is helping people travel – and settle. The mental and physical toll 16 IN BRIEF Faster trains cause traffic jams. Hawks’ force field protects hummingbirds Technology 18 How the tech behind bitcoin is going to takeover the world. Therapist in your pocket Opinion 24 Liberate science Donald Braben on what stifling radical research does to economies 25 One minute with. Margot Hirsch Let’s use technology to make guns safer 26 Digital suffering Can software simulations feel real pain, asks Anders Sandberg Features 28 The other periodic table (see above left) 32 Squidvaders! Strange shrinking kraken take over the Pacific 36 Good vibrations (see left) CultureLab 40 All the world’s a lab Can the theatre take on science’s big ideas? PLUS: From humanity’s cyber end to its salvation 42 All ife is here Making evolution exciting Regulars 53 LETTERS I speak, therefore I am? 56 FEEDBACK Political beasts 57 THE LAST WORD Dung addicts Aperture 22 Underwater rainbow glistens on coral reef Leader 5 In the discussion over refugees entering Europe, evidence is sorely lacking