News tagged with atmospheric oxygen levels

Mineral diversity clue to early Earth chemistry

Mineral evolution is a new way to look at our planet's history. It's the study of the increasing diversity and characteristics of Earth's near-surface minerals, from the dozen that arrived on interstellar dust particles when ...

Feb 28, 2013
5 / 5 (1) 0 | with audio podcast

When dinosaurs roamed a fiery landscape

The dinosaurs of the Cretaceous may have faced an unexpected hazard: fire! In a paper published online today, researchers from Royal Holloway University of London and The Field Museum of Natural History in Chicago have shown ...

Mar 29, 2012
5 / 5 (3) 0 | with audio podcast

Raising giant insects to unravel ancient oxygen

The giant dragonflies of ancient Earth with wingspans of up to 70 centimeters (28 inches) are generally attributed to higher oxygen atmospheric levels in the atmosphere in the past. New experiments in raising modern insects ...

Oct 29, 2010
4.5 / 5 (15) 7 | with audio podcast
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