For years, scientists have floated an alternative theory to explain the extinction of the dinosaursone involving extreme volcanism.
Its an intriguing idea, but new research seems to have finally put this competing explanation to rest.
Did the final blow come from devastatingvolcanic eruptions, or acatastrophic asteroid impact?
New research casts serious doubts on an alternative theory of dinosaur extinction.© Freer/Shutterstock
The peat samples they studied contained unique molecules produced by bacteria whose structure changes based on the temperature.
The sulphur would have had drastic consequences for life on earth.
Additionally, their results also match other temperature records from the same time period, they wrote.
Researchers conducting fieldwork in Colorado. © Tyler Lyson
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