While BP seems to have gotten the flow of oil in the Gulf of Mexico under control for now, investigations suggest corners were cut for the sake of profit and expediency, leading to the Deepwater Horizon rig explosion and fire that killed 11 workers and started the oil leak.

Taking shortcuts is one thing; purposely shutting down existing safety systems is a very different matter, and according to new information, serious safety violations may have led to the worst mine disaster in the last 25 years, the West Virginia mine explosion that killed 29 workers in April.[ LIVE SCIENCE ]