Satyajit Das: The impossible puzzle: how to reduce debt without growth
In 2012, governments around the world will need to refinance around $7.6 trillion in debt (see table); $8 trillion if interest is included. A central part of the debate is how much government debt is too much. The unsustainability of sovereign debt levels above 60 per cent – 90 per cent of a country's gross domestic product proposed by economists Carmen Reinhart and Kenneth Rogoff, is accepted ...

Toy store invites public to work on 24,000-piece jigsaw puzzle
ST. GEORGE — Puzzle enthusiasts and residents looking for a fun family activity are invited to help put together a 24,000-piece puzzle in honor of National Puzzle Month at the new Learning Express toy store in St. George.

Mars Express spacecraft spots signs of ancient ocean on red planet
London, Feb 7 (ANI): Presently, Martian surface is a barren, arid desert but the European Space Agency's Mars Express spacecraft has provided strong evidence that an ocean may have covered parts of the red planet billions of years ago.

Mars Express radar yields strong evidence of ocean that once covered part of Red Planet
ESA's Mars Express has returned strong evidence for an ocean once covering part of Mars. Using radar, it has detected sediments reminiscent of an ocean floor within the boundaries of previously identified, ancient shorelines on Mars.

Mars Express radar gives strong evidence for former Mars ocean
(PhysOrg.com) -- ESA's Mars Express has returned strong evidence for an ocean once covering part of Mars. Using radar, it has detected sediments reminiscent of an ocean floor within the boundaries of previously identified, ancient shorelines on Mars.