Glad Cows (ScienCentral) If your car doesn't have brakes, your brakes can't fail; and if you don't have skin, you can't get skin cancer. In most cases that's faulty logic, but scientists are applying it to studying mad-cow disease. [News Source]

Feds pushing for a national livestock id tracking system. Had a national animal identification tracking system been in place, supporters say, an investigation to contain the mad cow disease could have been completed within 48 hours. [News Source]