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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.

SourcePenn State·DateDec 7, 2002

Prepare to be surprised by future climate changes

Dr. Richard B. Alley, a leading expert on abrupt climate change, cautions that current models may underestimate the severity of future climate changes. He suggests policymakers should plan for contingencies to address resource scarcity and conflicts.

SourcePenn State·DateDec 7, 2002

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.

SourceOffice of Naval Research·DateDec 7, 2002
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