Ancient trees' inefficient photorespiration may have helped stabilize Earth's atmosphere during last ice age

Ancient trees may have played a key role in regulating Earth's climate during the last ice age—by 'breathing' less ...
Live Science

6 million-year-old ice discovered in Antarctica shatters records — and there's ancient air trapped inside

Researchers have found 6 million-year-old ice in the Allan Hills region of Antarctica and say the oldest-of-its-kind sample ...