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11 mar 2015 · Learn about the causes, effects and history of ice ages, periods of colder global temperatures and glacial expansion. Find out how humans evolved and survived during the most recent ice age and the extinction of megafauna.
Learn about the history of ice ages and glacial periods on Earth over the past 3 billion years. See the names, dates, and descriptions of the major glaciations and their effects on climate and life.
The Pleistocene, also known as the Ice Age, lasted from 2.58 to 11,700 years ago and was marked by repeated glacial cycles. It was the time of human evolution, extinction of megafauna, and climate change.
24 maj 2017 · Learn about the ice age, a period of colder climate with ice sheets and glaciers, and its cycles of glacials and interglacials. Explore the fauna, flora, and human evolution during the Pleistocene epoch of the Quaternary ice age.
10 paź 2024 · Learn about ice age, any geologic period during which thick ice sheets cover vast areas of land. Explore the history, causes, and effects of ice ages, and see maps and images of past and present ice sheets.
17 paź 2014 · Learn how Earth's orbit around the sun affects its climate and causes ice ages. Find out how long ice ages last, how they start and end, and what factors influence them.
28 wrz 2021 · An ice age is a period of protracted lower temperatures that result in significant areas of ice on Earth for millions to tens of millions of years. Learn about the six major ice ages in Earth's history, their causes, variations and effects on climate and life.
