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Loss of ancient grazers triggered a global rise in fires

Widespread megaherbivore extinctions 50,000 to 60,000 years ago had a major impact on grassland ecosystems around the world.

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Research & Collections

Our researchers’ innovations and groundbreaking medical and scientific discoveries are expanding human knowledge and helping to improve the human condition.

At the same time, other campus innovators are harnessing technology to ensure that the university’s vast collections of cultural and scientific artifacts are both accessible around the globe today and preserved for future generations.

Many of these treasures — which hail from across the ages and around the globe — are on public view in our museums, galleries, and libraries; still others are available in digital detail on the Internet.