金沙上网导航news center

2019-02-27 14:07:14

Mastodon genome sheds light on human evolution

ByRoxanneKhamsiAnanalysisofgeneticmaterialpainstakinglyretrievedfromanancientmastodontoothhaspushedbackthedatethatmammothsdivergedfromelephantsbyabout2millionyears.Thefindingpegsthemammothandelephants

2019-02-27 13:12:04

Powered ankle could be the next step in prosthesis

ByKurtKleiner(Image:MIT)Aroboticanklethatputsamotorisedspringinthestepofamputeeswillletthemtowalkusinglessenergyandwithamorenaturalgait

2019-02-27 13:11:14

Software finds learning language child's play

ByNewScientiststaffandReutersAcomputerprogramthatlearnstodecodelanguagesoundsinasimilarwaytoababycouldshednewlightonhowhumansacquiretheabilitytotalk

2019-02-27 13:04:05

Iodine enters the climate-change mix

QUIETLYbubblingfromtheocean

2019-02-27 13:01:06

Heart scan may harm young women

ResearchersledbyAndrewEinsteinofColumbiaUniversityinNewYorkhavestudiedatechnologycalledComputedTomographyCoronaryAngiography(CTCA)

2019-02-27 12:17:12

Early HIV treatment boosts infant survival rate

ByNewScientistandReutersHIV-infectedbabieshaveagreaterchanceofsurvivaliftheyreceivetreatmentbeforetheyshowsignsofillnessoraweakenedimmunesystem

2019-02-27 11:13:12

Renewable energy could 'rape' nature

ByPhilMcKennaRampinguptheuseofrenewableenergywouldleadtothe“rapeofnature”

2019-02-27 10:17:02

Bold scheme to save rare seabirds

You’veheardofoffsettingcarbon.Wellhowaboutoffsettingdeadseabirds?Manyseabirdpopulationsarethreatenedbecausethebirdsendupasby-catchincommercialfishingnets.Ifrestrictingfishingfails

2019-02-27 10:05:02

Is a second black hole lurking in the Milky Way's heart?

ByMaggieMcKeeIsasecondblackholelurkingintheheartoftheMilkyWay?Theevidencetodateisinconclusive

2019-02-27 08:05:11

Space station's future threatened, expert warns

ByDavidShigaNASAanditsinternationalpartnersmaybehard-pressedtokeepthespacestationaliveaftertheplannedretirementofthespaceshuttlein2010

2019-02-27 08:05:06

Security flaw could mean hijacked iPhones

ByWillKnightVideo:ResearchersdemonstrateavulnerabilitythatcanbeusedtocapturefilesfromaniPhoneAtrickthatcouldallowhackerstohijackApple’snewiPhonehasbeenrevealedbyaUScomputersecuritycompany.Expertsw

2019-02-27 08:02:10

金沙上网导航:California's attack of the jumbo squid

ByPhilMcKenna(Image:MontereyBayAquariumResearchInstitute)Video:WatchthejumbosquidoffCaliforniaeatfish

2019-02-27 07:03:04

Soundbites

“Mybrother’sfaceweighedmorethan15kilograms.Hehascarriedthistumourformorethan30years.It’sunimaginable.”HuangWeicai

2019-02-27 06:13:15

Tibet is warming at twice global average

ByPhilMcKennaTheTibetanplateauisheatingupby0.3°Ceachdecade

2019-02-27 06:08:08

No evidence for cellphone mast illness

ByCarolineWilliamsThereisnoevidencethatcellphonemastscausefatigue

2019-02-27 05:18:08

HIV medics pardoned after release from Libya

ByNewScientistandAFPSixBulgarianmedicsjailedforlifeinLibyaforinfectingchildrenwiththeAIDSviruswerefreedonTuesday

2019-02-27 05:06:07

Laptop for poor countries may be sold commercially

ByNewScientistStaffandReutersThenon-profitgroupbehindalow-costlaptopcomputerforchildreninpoorercountriessaysitmaysellthesamedeviceonthecommercialmarketbyChristmas2007.TheOneLaptopPerChild(OLPC)Foundat

2019-02-27 05:05:02

Poker hotshots narrowly defeat bluffing computer

ByJimGilesAftertwothousandhandsandcountless“flops”

2019-02-27 04:17:06

Trick of light advances quantum computing

ATRICKofthelightisallthat’sneededtocreateanewkindofquantumlogicgate.Itisthelateststepinthequestforapracticalquantumcomputer

2019-02-27 04:14:10

Space station crew dumps trash overboard

ByNewScientistSpaceandReuters(Image:NASATV)AspacewalkingNASAastronautpitchedtwolargepiecesofobsoleteequipmentofftheInternationalSpaceStationandintoorbitonMonday.A630-kg(1400-pound)

2019-02-27 03:01:08

Tiny asteroid 'groupie' found trailing after Mars

ByDavidShigaAnewspacerockhasbeenfoundthatdevotedlytravelsaroundwithMarsasitorbitstheSun

2019-02-27 02:13:12

Influence of global warming seen in changing rains

ByDavidChandlerThepatternofrainfallaroundtheworldisbeingchangedbygreenhouse-gasemissionsfromhumanactivities

2019-02-27 01:16:12

金沙上网导航:In promiscuous primates, sperm feel need for speed

ByRoxanneKhamsiVideo:Whichprimatehasthefastestswimmingsperm?Whetherspermflyathighspeedorlazetheirwaytowardsaneggmightdependonhowmuchcompetitiontheyface

2019-02-27 01:08:14

Size matters when it comes to graphene circuits

ByKurtKleinerWhenitcomestousingnanoscopicribbonsofgraphenetomakeelectroniccircuits

2019-02-27 01:06:04

Testicular protein vaccine may fight ovarian cancer

ByRoxanneKhamsiCouldaproteinfoundinthemaletestesprotectwomenagainstarecurrenceofovariancancer?Thatisthehopeofscientistsbasedontheresultsofanearlystageclinicaltrialtestingatherapeuticvaccineagainst

2019-02-26 14:06:09

Internet censorship on the rise

Asthenumberofinternetusersgrows

2019-02-26 14:06:07

Gene in the frame for autism

THEsearchforthegeneticcausesofautismhasidentifiedanotherlikelycandidate.DanArkingatJohnsHopkinsUniversityinBaltimore

2019-02-26 14:01:04

Hot, sleepless nights will get more common with climate change

ChinaPhotos/GettyByMichaelLePageAstheplanetwarms

2019-02-26 13:08:02

Bubbles offer solution to nanotube tangles

ByTomSimonite(Image:Nature)Blowingbubblescouldprovideasurprisingsolutiontotheproblemofseparatingandaligningtanglednanowiresandnanotubes.Itcouldperhapsevenresultinnewwaysofproducingnanoscaleelectro

2019-02-26 12:16:06

Strange cosmic radio burst pinned down to giant stellar nursery

JohnR.Foster/SCIENCEPHOTOLIBRARYByKenCroswellTalkaboutrockingthecradle. Sharpnewimageshaveidentifiedathrongofnewbornstarsasthesourceofafastradioburst. Thediscoverystrengthenstheideathatthesebriefpulse

2019-02-26 12:12:08

Governments sued over climate change, with banks and firms next

LukeSharrett/BloombergviaGettyImagesByAliceKleinIfyoucan’tbeatthem

2019-02-26 12:09:10

金沙上网导航:Tracks in ancient lake show dinosaurs swam

ByNewScientistandAFP(Image:LoicCosteur)(Image:GuillaumeSuan

2019-02-26 12:01:11

Gulping coffee helps keep gout at bay

ByRoxanneKhamsiMenwhodrinkfourormorecupsofcoffeeeachdayappearlesslikelytodevelopgout

2019-02-26 11:17:15

Our solar system started with a nudge, not a bang

ByZeeyaMeraliOursolarsystemcameintoexistencewithanudge

2019-02-26 10:10:06

Huge impact could have smashed early Earth into a doughnut shape

SimonLockandSarahStewartByRebeccaBoyleForabrieftimeduringitsinfancy

2019-02-26 09:11:13

Curious AI learns by exploring game worlds and making mistakes

NintendoByMattReynoldsIwonderwhatwillhappenifIpressthisbutton?Algorithmsarmedwithasenseofcuriosityareteachingthemselvestodiscoverandsolveproblemsthey’veneverencounteredbefore.FacedwithleveloneofSuper

2019-02-26 08:14:15

Newly-evolved microbes may be breaking down ocean plastics

RichardWhitcombe/AlamyStockPhotoByMichaelLePagePlastic.Thereshouldbehundredsofthousandsoftonnesofthestufffloatingaroundinouroceans.Butwearefindinglessthanexpected–perhapsbecauselivingorganismsareevolv

2019-02-26 07:20:06

Facebook increases access with markup tools

ByNewScientistTechandReutersPopularsocialnetworkingsiteFacebookhastakenthewrapsoffsoftwaretoolstoletexternaldevelopersbuildapplicationsforitsusers.TheCalifornia-basedcompanyhascreateditsownwebprogramm

2019-02-26 07:14:01

Giant octopus suffocates foolhardy dolphin that tried to eat it

JohnSymons

2019-02-26 07:02:16

Nowcasting may help forecast big earthquakes in 53 major cities

JamesBalog/GettyByRaminSkibbaThegroundcanstartshakingunderyourfeetwithalmostnowarning.Earthquakeshaveprovennearlyimpossibletoforecastsofar

2019-02-26 06:18:04

Waltzing robot teaches beginners how to dance like a pro

SystemRoboticsLaboratoryByEddGentGotnoonetodancewith?Nottoworry–youmightsoonbeglidingthroughthemoves

2019-02-26 06:12:11

Saturn’s moons could reassemble after a cosmic smash-up

CASSINI-HUYGENS/NASA/ESA/ISAByJeffHechtSaturn’smid-sizedmoonsarelikethemonstersinlate-nighthorrormovies.Smashthemintotinypieces

2019-02-26 06:09:03

Booming sound waves heat up galaxy cluster

ByDavidShiga(Image:JSanders/AFabian/UCambridge/Chandra)Enormoussoundwavesseenripplingthroughagalaxyclusterareheatingupitsgas

2019-02-26 05:10:08

Tree-climbing goats spit out and disperse valuable argan seeds

imagebroker/Rex/ShutterstockByElizabethPrestonInsouth-westernMorocco

2019-02-26 05:08:13

Singing whales like a big audience

Singandattractfemales

2019-02-26 04:02:11

Starch diet could power car of the future

ByCatherineBrahicGreencarsofthefuturecouldrunonasyrupymixtureofstarchandwater

2019-02-26 03:15:02

Congestion gives clue to black holes' weight

Weknowtheyareheavy

2019-02-26 03:01:10

Two-colour LED could lead to better screens

ByMasonInmanAsiliconlight-emittingdiode(LED)thatcanquicklyswitchbetweenproducingredandbluelightcouldultimatelyleadtosmallerpixelsforhigh-resolutiondisplays.LEDscannormallyonlyemitlightofonecolour.Anew

2019-02-26 02:17:12

Babies can spot languages on facial clues alone

ByNoraSchultz(Image:Science)Youngbabiescandiscriminatebetweendifferentlanguagesjustbylookingatanadult’sface

2019-02-26 01:01:02

金沙上网导航:Traumatic beetle sex causes rapid evolutionary arms race

IvainMartinossiByChrisSimmsEverwonderedwhatconstitutesextremesex?Cowpeaseedbeetlescertainlyknow–theirsexualactisbrutal

2018-02-25 08:02:27

Extinct 'Denisovan' people may have lived on Earth's highest plateau

JohnOlsenByColinBarrasHumansarrivedontheTibetanPlateautensofthousandsofyearsearlierthanwethought.Thisraisesthepossibilitythatthefirsthumanstocopewiththeharshconditionstherewerenotmodernhumans