In April 2010 the BP Deep Horizon drilling rig exploded in the Gulf of Mexico, resulting in a catastrophic offshore oil spill. Millions of barrels of oil have spilled into the Gulf since the explosion, representing an unprecedented environmental disaster. Many complex ecosystems are affected by the oil

Everyone is aware of the extremely high cost of most health care services. These costs can be measured not only in cash outlays, but also in time spent at a doctor's office. Waiting times can often be an hour or more for a comprehensive physical examination at a family physician's or internist's office.