Laws of calorie counting
Article Abstract:
A description of the history of the calculation of the calorific value of food is presented. The first experiments were conducted in 1894 and developed into the current calorific value system which was adopted in 1947.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2000
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Information technology, 2500 B.C
Article Abstract:
Cuneiform writings of ancient Mesopotamia have given us a record of that time and place. Sumerians invented the cuneiform script, and thereby became the first society to leave a detailed record of their daily lives.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2001
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Time travelers in the field
Article Abstract:
Plant geneticist Jack Harlan has proposed a 'no-model model' for the beginning of agriculture. The preadaptation of foragers gave them the knowledge to begin farming staple cereal crops when the glaciers receded.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2000
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