virusesGearNew Mac Malware Fools Customers, But Threat Still Relatively SmallBy Brian X ChenSciencePiggyback Virus Could Curb HIV PandemicBy Dave MosherScienceEngineered Viruses Boost Memory Recall in MiceBy Ars TechnicaScienceDying Trees Make Way for Mice With Deadly DiseaseBy Susan Milius, Science NewsGearCellphones Are Filthy Germ Magnets, Says StudyBy Priya GanapatiGearMouseover Exploit Spreads Porn on TwitterBy Tim CarmodySciencePoop Study: People Have Friendly Gut VirusesBy Brandon KeimMay 4, 2000: Tainted 'Love' Infects ComputersBy Kevin PoulsenMarch 26, 1999: 'Melissa' Wreaks Havoc on NetBy Tony LongSecurityFeds: TSA Worker Tried to Sabotage Terror DatabaseBy Kim ZetterScienceHungry Amoebas Spawn Biggest Viruses EverBy Brandon KeimNov. 10, 1983: Computer 'Virus' Is BornBy Kim ZetterGearIV-Drip Hard Drive Takes Concept a Little Too FarBy Charlie SorrelScienceThe Plague Fighters: Stopping the Next Pandemic Before It BeginsBy Evan Ratliff