EarthRenewable oil: Ancient bacteria could fuel modern life Microbes with tweaked DNA can convert sunlight and carbon dioxide into oil, but will it ever power our cars? 51¶¯Âþ
LifeAlien-life claims spark monster mud-slinging As the scientific community recoils from the latest "close encounter" with ET, 51¶¯Âþ asks: what would convincing evidence of alien life look like? 51¶¯Âþ