The Centres for Disease Control and Prevention (CDC) estimate that 300, 000 people in the United States, overwhelmingly immigrants, are infected with Chagas disease, caught from parasites that feed on the face and are usually found in Central and South America.

ECONOMIST: Infectious diseases are creeping in from abroad

Although the US Centres for Disease Control and Prevention has since lowered that estimate to 112, 000, food is as deadly as tobacco.

ECONOMIST: Food in rich countries

Talking to the CEO of Southwest Airlines, they estimate that if we put in the new generation of GPS air traffic control, we would save 15 percent in fuel costs.

WHITEHOUSE: President Obama at Clinton Global Initiative