Fossil frogs offer insights into ancient Antarctica

The discovery of the earliest known modern amphibians in Antarctica provides further evidence of a warm and temperate climate in the Antarctic Peninsula before its separation from the southern supercontinent, Gondwana. The ...

Global warming led to dwarfism in mammals—twice

Mammal body size decreased significantly during at least two ancient global warming events, a new finding that suggests a similar outcome is possible in response to human-caused climate change, according to a University of ...

Climate lessons from the last global warming

The Earth experienced one of the largest and most rapid climate warming events in its history 56 million years ago: the Paleocene-Eocene Thermal Maximum (PETM), which has similarities to current and future warming. This episode ...

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