Archive for the ‘Structure of the earth system’ Category


Looking anew at diamonds - Thursday, January 10th, 2008

New analysis uses light to distinguish one diamond from another. Technique may help jewelers, but won’t help the battle against the “conflict diamonds” that are fueling wars in Africa.



Understanding Earthquakes! - Thursday, November 3rd, 2005

What are earthquakes? What new methods are used to view them? Are we any closer to accurate earthquake predictions?



Comet Collision: Close Encounters of the Cometary Kind - Thursday, July 28th, 2005

What can we learn from whacking comets, up close and personal? What do comets tell us about the early solar system? And what is the role of comets in history?



Saturn’s Secret: Lightning - Wednesday, December 22nd, 2004

Cassini finds lightning strikes on Saturn, haze on moon Titan, dust between the rings, and new rotation rate.



Planet Formation - Wednesday, November 24th, 2004

New view of crystals that form into planets in protoplanetary disks. Which came first, the planet or the crystals?



Volcanic Violence - Thursday, October 21st, 2004

How do we forecast or predict volcanoes? How do volcanoes change the landscape? How does life return after an eruption?



Lunar Eclipse - Thursday, May 15th, 2003

Lunar eclipses are fleeting events, but their history goes deep. And what’s what with that reddish hue?



Earth Seen From Space - Thursday, March 27th, 2003

Earth Observing System uses satellites to accelerate earth science, oceanography, meteorology and global change.



Desert Dust Detailed - Thursday, March 14th, 2002

Soils provide new clues to early desert formation in Asia. The vast Loess Plateau of China has good soil; a remnant of wind-blown dust from millions of years ago.



Volcano Overdue at Yellowstone? - Thursday, July 26th, 2001

Giant volcano at Yellowstone erupts on schedule. The last eruption covered about 20 states with ash. If Yellowstone blows, think big: Think REALLY BIG!




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