Large fluctuations in sea level throughout the last ice age challenge understanding of past climate

Large changes in global sea level, fueled by fluctuations in ice sheet growth and decay, occurred throughout the last ice age ...
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Ice Age Fire Masters: How Ancient Humans Maintained Advanced Flames During Earth’s Coldest Period

Stone Age humans mastered fire technology during Earth’s harshest climate period 23,000 years ago, creating hearths that reached temperatures of 600°C—comparable to modern campfires. Despite theories ...