24/01/2008

Airport safety: magnetic fingerprinting in the fog?

By monitoring tiny fluctuations in the Earth’s magnetic field caused by a passing plane, a team of European researchers has developed an innovative system to increase airport safety even in the worst weather conditions.

Earth's getting 'soft' in the middle

Since we can’t sample the deepest regions of the Earth, scientists watch the velocity of seismic waves as they travel through the planet to determine the composition and density of that material. Now a new study suggests ...

New discoveries at the ash altar Of Zeus -- Mount Lykaion

The Greek traveler, Pausanias, living in the second century, CE, would probably recognize the spectacular site of the Sanctuary of Zeus at Mt. Lykaion, and particularly the altar of Zeus. At 4,500 feet above sea level, atop ...

When accounting for the global nitrogen budget, don't forget fish

Like bank accounts, the nutrient cycles that influence the natural world are regulated by inputs and outputs. If a routine withdrawal is overlooked, balance sheets become inaccurate. Over time, overlooked deductions can undermine ...

Elusive pancreatic stem cells found in adult mice

Just as many scientists had given up the search, researchers have discovered that the pancreas does indeed harbor stem cells with the capacity to generate new insulin-producing beta cells. If the finding made in adult mice ...

page 2 from 3