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Heart Rate Variability: Science and Strategies for Peak Performance introduces the fundamentals of HRV and provides practical guidance on how to measure and interpret HRV data
Empower your students as they reimagine the world around them through mathematics Culturally relevant mathematics teaching engages students by helping them learn and understand math more deeply
Jen Alexander and Jennifer Dickey
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Civil War Myths and Legends makes history fun and pulls back the curtain on some of the most fascinating and compelling stories of the war that almost tore America apart
No.9 Donald Forrester Heart Rate Variability: Science andNinety nine men entered the cold, dark tunnels of the Consolidation Coal Company's No. 9 Mine in Farmington, West Virginia, on November 20, 1968. Some were worried about the condition of the mine. It had too much coal dust, too much methane gas. They knew that either one could cause an explosion. What they did not know was that someone had intentionally disabled a safety alarm on one of the mine's ventilation fans. That was a death sentence for most
