Comets, not asteroids, to blame for moon's scarred face

日期:2019-03-08 10:12:03 作者:段焓 阅读:666

ByHazelMuirIcycomets–notrockyasteroids–launchedadramaticassaultontheEarthandmoonaround3.85billionyearsago

Dolphins that work with humans to catch fish have unique accent

日期:2019-03-08 09:18:16 作者:穆艮 阅读:666

LeoFrancini/AlamyStockPhotoByElizabethPrestonBottlenosedolphinsthatworktogetherwithhumanstocatchfishhavetheirowndistinctivewhistle

Scent of fear puts brain in emergency mode

日期:2019-03-08 09:13:14 作者:贝辩 阅读:666

ByCarolineWilliamsThesmellofthesweatyouproducewhenterrifiedisnotonlyregisteredbythebrainsofothers

Mismatched materials produce self-assembling gears

日期:2019-03-08 09:07:04 作者:孙葶鲈 阅读:666

ByColinBarras(Image:SoftMatter)Itgives“automechanic”anewmeaning.Engineershavedevisedgearsandcogsthatmakethemselves

Should you trust health advice from the web?

日期:2019-03-08 09:02:17 作者:郝北哲 阅读:666

ByLisaGrossmanIFYOUregularlyturntoasearchenginetofindoutwhether

Fertile Crescent 'will disappear this century'

日期:2019-03-08 08:13:17 作者:蔚娥 阅读:666

ByFredPearceIsitthefinalcurtainfortheFertileCrescent?Thissummer

Hotter weather fed growth of Incan empire

日期:2019-03-08 08:03:08 作者:邬向 阅读:666

CLIMATEchangeisn’talwaysbadnews–fortheIncas

Food fight brews at Guantanamo Bay

日期:2019-03-08 07:10:13 作者:达若析 阅读:666

ByJimGilesDoctorswhoassistintheforce-feedingofhunger-strikingdetaineesatGuantanamoBaywereaccusedlastweekofactingunethically

Elon Musk’s new plans for a moon base and a Mars mission by 2022

日期:2019-03-08 06:16:08 作者:章勉 阅读:666

ElonMusk/SpaceXByLeahCraneElonMuskisdreamingbig.AttheInternationalAstronauticalCongressinAdelaidetoday

The scientific arguments for US healthcare reform

日期:2019-03-08 06:12:08 作者:仉储謦 阅读:666

ByPeterAldhous

Ion engine could one day power 39-day trips to Mars

日期:2019-03-08 06:12:04 作者:仉柔穆 阅读:666

ByLisaGrossmanThere’sagrowingchorusofcallstosendastronautstoMarsratherthanthemoon

Robotic insect 'flight' may be just good vibrations

日期:2019-03-08 05:13:17 作者:晁螗 阅读:666

ByPaulMarksCREATINGafree-flyingroboticinsectisthedearestwishofmanyanengineerbecausesuchamachinewouldhavegreatpotentialinsurveillanceandinseekingouttrappedpeopleinsearch-and-rescuesituations.Butacuriou

Race is on for space-junk alarm system

日期:2019-03-08 05:11:10 作者:胡童 阅读:666

ByPaulMarksAWORLDWIDEnetworkofradarstationscouldtackletheever-growingproblemofspacedebris–theremainsofoldrocketsandsatellitesthatposeanincreasingthreattospacecraft.TheUSgovernmentislaunchingacompetiti

The mysterious bright spots on Ceres may have a common origin

日期:2019-03-08 05:10:25 作者:北宫廪锇 阅读:666

NASA/JPLByMikaMcKinnonThebrightspotsofCeres

Energy from evaporating water could rival wind and solar

日期:2019-03-08 05:07:08 作者:揭糨梳 阅读:666

XiChenByMichaelLePageAvastsourceofrenewableenergyhasbeensittingunderournoses.Evaporatingwatercouldsupplyenormousvolumesofcleanelectricity

Chimps can develop AIDS after all

日期:2019-03-08 04:08:25 作者:水霪 阅读:666

ByVianAzzuThediscoverythatchimpanzeescandevelopanAIDS-likeillnessafterinfectionwithsimianimmunodeficiencyvirus(SIV)

澳门金沙官方可靠平台网站:Plants get a boost from love hormone

日期:2019-03-08 04:08:23 作者:弥燥沙 阅读:666

THE“cuddlechemical”oxytocinisbeingputtoadifferentusebyfarmersinIndia:boostingthegrowthofpumpkinsandcucumbers.TheIndianMinistryofAgriculturewantstobanthepractice

Artistic tendencies linked to 'schizophrenia gene'

日期:2019-03-08 04:01:23 作者:钮靛夙 阅读:666

AGENElinkingschizophreniaandpsychosistocreativitycouldhelpexplainwhygenesthatuptheriskofmentalillnesshavebeenpreservedinhumanevolution.SzabolcsKériofSemmelweisUniversityinBudapest

澳门金沙官方可靠平台网站:Help find a name for the third replicator

日期:2019-03-08 03:04:06 作者:鱼枧 阅读:666

BySusanBlackmoreTherearegenes

Talking paperclip inspires less irksome virtual assistant

日期:2019-03-08 03:03:22 作者:诸诩 阅读:666

ByMacGregorCampbellTwoyearssinceitsdemise

Light brings lakes to life

日期:2019-03-08 03:02:18 作者:郭郗 阅读:666

ADDnutrientsandalake’secosystemflourishes–orsothethinkinggoes.Butnewworksuggeststhatlight

Did an ice age boost human brain size?

日期:2019-03-08 02:16:13 作者:柳獐 阅读:666

ByBobHolmesITISoneofthebiggestmysteriesinhumanevolution.Whydidwehumansevolvesuchbigbrains

How hippos skip along the riverbed

日期:2019-03-08 02:11:10 作者:梅臆棒 阅读:666

THEYmightbeungainlyonland

Comets wreaked icy devastation on young Earth

日期:2019-03-08 02:10:19 作者:滕苦涣 阅读:666

DIDcometsmademainlyofwatericelaunchanassaultontheyoungEarthanditsfledglingmoon?Thetwoworldswerebatteredbydebrisabout3.85billionyearsago

Brain cells have natural resistance to HIV

日期:2019-03-08 01:11:18 作者:谈剪咋 阅读:666

ByAndyCoghlanNeuronscanprotectthemselvesagainstinfectionwithHIV

Biology's 'dark matter' hints at fourth domain of life

日期:2019-03-07 10:15:22 作者:弘呀螂 阅读:666

ByColinBarrasSTEPfarenoughbackfromthetreeoflifeanditbeginstolookquitesimple.Atitsheartarejustthreestoutbranches

A life without pain is a life without smell

日期:2019-03-07 10:13:11 作者:宿癔 阅读:666

ByFerrisJabrAhandfulofpeoplearoundtheworldhaveneverknownthemeaningofphysicalpain–notbecausetheyliveincrediblyshelteredlives

澳门金沙官方可靠平台网站:How newer reactors would have survived Fukushima

日期:2019-03-07 10:09:08 作者:阿萜 阅读:666

ByPaulMarksReadmore:“Specialreport:Rescuingnuclearpower“THERE’SnothingquitelikewatchingreactorbuildingsexplodeonliveTVtodestroyyourfaithinnuclearpower.ButtheexplosionsandradiationspillsattheFukush

NASA and ESA 'divorce' over money

日期:2019-03-07 10:08:04 作者:昝辅嫜 阅读:666

Readmore:Clickheretoreadtheoriginal

Dark energy is not an illusion after all

日期:2019-03-07 10:06:09 作者:尔朱弹 阅读:666

ATHEORYthatdarkenergyisjustanillusioncausedbyourlocationwithinagiantvoidhasmetwithachallenge.Measurementsofsupernovaexplosionsinbothnearbyanddistantgalaxiessuggestthattheuniverseisexpandingfasternowth

Best-ever quantum measurement breaks Heisenberg limit

日期:2019-03-07 09:18:01 作者:骆孽 阅读:666

ByMarkBuchananPHYSICISTShavemadethemostaccuratequantummeasurementyet

HIV in donor kidney

日期:2019-03-07 09:04:12 作者:挚炜蓿 阅读:666

ORGANtransplantcentresintheUShavebeenwarnedtotestlivedonorsforHIVaweekbeforeoperating.ThisfollowsacaseinwhichakidneyfromadonorspreadHIVtotherecipient.Althoughthedonortestednegative11weeksbeforethetran

US inventors on their marks for race to patent office

日期:2019-03-07 09:03:02 作者:欧阳愫例 阅读:666

ByPaulMarksWHENChuckMcLaughlinrecentlytriedtoprovethataUSinventorhadbeatenbothJapaneseandEuropeanfirmstotheinventionofanoveltypeofflexibleLCDdisplay

Hold planes at the gate to cut greenhouse gases

日期:2019-03-07 08:16:17 作者:南宫藩 阅读:666

ALLthat’sneededtoreducegreenhousegasemissionsrelatingtoairtravelisalittlepatience.That’saccordingtoastudylookingathowbesttogetaeroplanesthroughbusyairports.“Thereisgoingtobeasignificantdecreaseingreen

One Per Cent

日期:2019-03-07 08:08:14 作者:栾菠刎 阅读:666

SoftwaretopickbasketballchampsCananalgorithmpredictwinnersmoreaccuratelythanaperson?WiththeUSNationalCollegiateAthleticAssociation’sbasketballtournamentstartingthisweek

澳门金沙官方可靠平台网站:First viable sperm cells grown from scratch

日期:2019-03-07 08:07:09 作者:滑驭 阅读:666

ByFerrisJabrFORthefirsttimeviablemousespermhavebeengrownoutsidethetestes.Ifthetechniquecanberepeatedwithhumansperm

Beach beetle reinvents the wheel

日期:2019-03-07 07:02:10 作者:赫连钱 阅读:666

ByBobHolmesVideo:BeetlerollslikeawheeltoescapedangerProdthelarvaofCicindeladorsalismedia

Engraved plastic panel casts image in light and shade

日期:2019-03-07 06:17:08 作者:牛九 阅读:666

ByJacobAronThelightshiningthroughthewindowonsunnydayscouldonedayprojectyourfavouritepictureonthewall

Look into my eyes to predict my amputation risk

日期:2019-03-07 06:08:05 作者:喻著 阅读:666

AGLIMPSEinaneyemightsoonbeenoughtodiagnosethenervedamageassociatedwithdiabetes.Upto50percentofpeoplewithdiabetesexperiencenervedamage

Food waste increases UK's water footprint

日期:2019-03-07 06:07:22 作者:昝锁臀 阅读:666

SOYOUturnoffthetapwhileyoubrushyourteethandtakeshortshowers.Nowconsiderthis:theBritishwastemorewaterbythrowingawayfoodthantheyuseathomeeveryday.TheproblemisunlikelytoberestrictedtotheUK.Accordingt

Nuclear crisis: How safe is Japan's food and water?

日期:2019-03-07 06:03:02 作者:空銮症 阅读:666

MOREthan22

Online 3D insect sleuth tells friend from foe

日期:2019-03-07 04:18:08 作者:左丘推戏 阅读:666

ByWendyZukermanAUSTRALIA’Sinvasivealieninsectsshouldwatchout.A3Didentificationsystemnowunderdevelopmentpicksthemoutfromthenativecrowd

Escher-like impossible shapes confuse newborn chicks

日期:2019-03-07 03:09:07 作者:蹇状 阅读:666

PUTanewbornchickinfrontofaprintofEscher’simpossiblestaircasesanditjustmightscratchitshead.Thevertebratebrainappearstobehard-wiredatbirthtocomprehenda3Dworld–andisflummoxedbygeometriesthatdon’tmakesens

Thorium reactors could rescue nuclear power

日期:2019-03-07 03:02:17 作者:佴晰 阅读:666

(Image:PallavaBagla/Corbis)ByDavidShigaEditorial:Cutnuclearpower’sumbilicalcordtothemilitary“ITISnotdifficulttoconceiveofanentireplanetpoweredbythorium

Where robots labour to overcome genetic disease

日期:2019-03-07 02:15:06 作者:亓蕻 阅读:666

ByPeterAldhousinMountainView

60 Seconds

日期:2019-03-07 02:14:22 作者:陈嘞 阅读:666

Thinksalt

Single atom quantum memories are easier to access

日期:2019-03-07 02:13:20 作者:厍把 阅读:666

DELICATEquantumbitshavebeenstoredinsingleatoms

Naval sonar drives whales from feeding grounds

日期:2019-03-07 02:07:01 作者:施蝗拒 阅读:666

NAVALsonarmakeswhalesfleefromprimefeedingsites

How a robot can replace you at work – and how it can't

日期:2019-03-07 01:12:22 作者:关邓吧 阅读:666

ByHelenKnightTelepresencerobotsaredeputisingfortheirhumancontrollersintheworkplace

Zoologger: Biofuel powers biggest flying marsupial

日期:2019-03-07 01:09:01 作者:东门贸 阅读:666

ByMichaelMarshallSpecies:PetauroidesvolansHabitat:eucalyptusforestsofeasternAustralia