Evolution Ancient Slug Fossil’s Spiky ‘Armor’ Reveals Hints of Evolution A tiny, hat-like shell that adorns a 478-million-year-old spiky slug is helping scientists figure ou... Feb 09, 2017 03:03 PM EST N.Y. man convicted of trying to buy ricin 'death pills' online A New York man was found guilty on Thursday of trying to buy the deadly toxin ricin on a secretive b... Aug 28, 2015 03:31 AM EDT