text_combined: johvdvutqrpvcaaasalertsorg science online science express alert current issue previous issue science express science products science journal science online science express alert new science science express articles made availablefor period 31 jan 2008 7 feb 2008 reports use us croplands biofuels increases greenhouse gases emissions land use change timothy searchinger ralph heimlich r houghton fengxia dong amani elobeid jacinto fabiosa simla tokgoz dermot hayes tunhsiang yu httpwwwsciencemagorgcgicontentabstract1151861v1 topless mediates auxindependent transcriptional repression arabidopsis embryogenesis heidi szemenyei mike hannon jeff long httpwwwsciencemagorgcgicontentabstract1151461v1 land clearing biofuel carbon debt joseph fargione jason hill david tilman stephen polasky peter hawthorne httpwwwsciencemagorgcgicontentabstract1152747v1 synaptic protein degradation underlies destabilization retrieved fear memory suehyun lee junhyeok choi nuribalhae lee hyeryeon lee jaeick kim namkyung yu sunlim choi seunghee lee hyoung kim bongkiun kaang httpwwwsciencemagorgcgicontentabstract1150541v1 unsubscribe edit subscriptions service httpwwwsciencemagorgcgialertsmain written requests unsubscribe may sent customer service 1454 page mill road palo alto ca 94304 usa magazine news signaling careers multimedia collections help site map rss subscribe feedback privacy legal us advertise us contact us 2008 american association advancement science rights reservedaaas partner hinari agora patientinform crossref counter tue 05 aug 2008 121346 0800 science scienceexpress notification 7 feb 2008