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Science News for December 7, 2002


Coral layers good proxy for Atlantic climate cycles

Researchers have discovered that coral layers in the Atlantic Ocean hold a key to understanding the region's climate dynamics. By analyzing calcium carbonate skeletons, Dr. Lisa Greer and her team found a periodic pattern of oxygen isotope composition with peaks every 12-15 years, mirroring sea surface temperature data.

Cool running semiconductors

Researchers have developed thin layer silicon with improved lattice vibrational frequency, leading to a 30% increase in thermal conductivity. This breakthrough enables faster charging and more efficient heat conduction in digital semiconductor devices.