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News From the Field
Caltech-led Team First to Directly Measure Body Temperatures of Extinct Vertebrates

May 24, 2010

earth and environment graphic Questions about when, why, and how vertebrates stopped relying on external factors to regulate their body temperatures and began heating themselves internally have long intrigued scientists. Now, a team led by researchers at Caltech has taken a critical step toward providing some answers. They have developed the first method for the direct measurement of the body temperatures of large extinct vertebrates--through the analysis of rare isotopes in the animals' bones, teeth and eggshells. Full Story

Source
California Institute of Technology

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2014, its budget is $7.2 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives about 50,000 competitive requests for funding, and makes about 11,500 new funding awards. NSF also awards about $593 million in professional and service contracts yearly.

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