Is it necessary for Obama to tour Latin America while bombs explode over Tripoli? Yes, says Mauricio Cardenas. “Obama’s trip south is important for long-term U.S. interests, and long overdue. In today’s economic order, where the G-20 is essentially a board of directors with only minority shareholders, the United States needs strong allies. Brazil is the ideal partner: large among the emerging countries, democratic, free of internal tensions, and without enemies. Cultivating that relationship is essential if Washington wants to continue to exercise leadership in the region.”
Looking back on our planet's early history offers a new (and less crazy) meaning for the idea of a "flat Earth."
According to the legendary investor, the best method is a blueprint for "extreme success.”
For generations, physicists have been searching for a quantum theory of gravity. But what if gravity isn't actually quantum at all?
Embedded in a cell phone or in accessories such as rings, bracelets or watches, the novel tools aim to make it easier to manage hypertension. But they must still pass several tests before hitting the clinic.