Eight genes that make us brainiacsWhen it comes to certain parts of your brain, bigger is definitely better. Now, scientists have pinpointed eight genetic variations that help determine the size of key brain regions that influence everything from memory to motor control.By 98 to 1, U.S. Senate passes amendment saying climate change is real, not a hoaxSign up for our daily newsletterGet more great content like this delivered right to you!Country *AfghanistanAland IslandsAlbaniaAlgeriaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBolivia, Plurinational State ofBonaire, Sint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBrunei DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongoCongo, The Democratic Republic of theCook IslandsCosta RicaCote D’IvoireCroatiaCubaCuraçaoCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland Islands (Malvinas)Faroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and Mcdonald IslandsHoly See (Vatican City State)HondurasHong KongHungaryIcelandIndiaIndonesiaIran, Islamic Republic ofIraqIrelandIsle of ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKorea, Democratic People’s Republic ofKorea, Republic ofKuwaitKyrgyzstanLao People’s Democratic RepublicLatviaLebanonLesothoLiberiaLibyan Arab JamahiriyaLiechtensteinLithuaniaLuxembourgMacaoMacedonia, The Former Yugoslav Republic ofMadagascarMalawiMalaysiaMaldivesMaliMaltaMartiniqueMauritaniaMauritiusMayotteMexicoMoldova, Republic ofMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorwayOmanPakistanPalestinianPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalQatarReunionRomaniaRussian FederationRWANDASaint Barthélemy Saint Helena, Ascension and Tristan da CunhaSaint Kitts and NevisSaint LuciaSaint Martin (French part)Saint Pierre and MiquelonSaint Vincent and the GrenadinesSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSint Maarten (Dutch part)SlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia and the South Sandwich IslandsSouth SudanSpainSri LankaSudanSurinameSvalbard and Jan MayenSwazilandSwedenSwitzerlandSyrian Arab RepublicTaiwanTajikistanTanzania, United Republic ofThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUruguayUzbekistanVanuatuVenezuela, Bolivarian Republic ofVietnamVirgin Islands, BritishWallis and FutunaWestern SaharaYemenZambiaZimbabweI also wish to receive emails from AAAS/Science and Science advertisers, including information on products, services and special offers which may include but are not limited to news, careers information & upcoming events.Required fields are included by an asterisk(*)This week, the U.S. Senate voted overwhelmingly—98 to 1—to approve an amendment affirming that climate change is real and “not a hoax.” But they still can’t agree on whether humans are causing it: Although two other measures declaring that humans contribute to climate change got a majority of votes, they fell short of the 60 votes needed to be adopted by the Senate.Nanoparticle drug stops cancer’s spread in miceWhen a person dies from cancer, the culprit usually isn’t the original tumor—it’s metastasis, the spread of cancer cells throughout the body. Now, researchers have managed to package a drug in nanoparticles so that it can target these cancer cells without interfering with normal cells—and report that they’ve stopped cancer cells from spreading in mice.Ten new Rosetta images that reveal comet 67P in all its gloryThis week, Science published the first scientific results from Rosetta at comet 67P, including discoveries from Rosetta’s main science camera, OSIRIS. Images like these reveal 67P to be a far more diverse place than anyone expected.Physicists read scrolls scorched by ancient volcanoIn 79 C.E., Mount Vesuvius erupted, destroying the city of Pompeii—and a nearby library filled with scrolls. Archaeologists have been trying to unroll these scorched scrolls since the 1750s, but the risk of damage was just too high. Now, physicists have figured out how to read them using high-powered x-rays.Bulletin of the Atomic Scientists moves Doomsday Clock 2 minutes closer to midnightThe board that runs the Bulletin of the Atomic Scientists has decided to move the minute hand on its symbolic Doomsday Clock 2 minutes closer to disaster. The clock now shows 3 minutes before midnight because the “probability of global catastrophe is very high” as a result of continuing climate change and efforts to modernize nuclear weapons stockpiles.