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Press Release 08-192

The Building Blocks of Life

Researchers compare rates of food intake and growth in birds and mammals

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Picture of chick and chicken with large and small stack of coins.

Researchers have found that the faster an animal is growing, the more energy from food it uses. As animals age, their energy use levels out.

Credit: Zina Deretsky, National Science Foundation


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Image of the cover of the October 31, 2008 edition of Science, featuring a large sculpture.

The research appears in the October 31, 2008, edition of the journal Science.

Credit: Copyright 2008 AAAS


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