Two in One - Fossil Shells Reveal Both Global Mercury Contamination, Warming When Dinosaurs Perished: University of Michigan
December 17, 2019
December 17, 2019
ANN ARBOR, Michigan, Dec. 17 [TNSscientificresearch-Nature Communications journal] -- The University of Michigan issued the following news release:
The impact of an asteroid or comet is acknowledged as the principal cause of the mass extinction that killed off most dinosaurs and about three-quarters of the planet's plant and animal species 66 million years ago.
But massive volcanic eruptions in India may also have contributed to the extinctions. Scientists have lon . . .
The impact of an asteroid or comet is acknowledged as the principal cause of the mass extinction that killed off most dinosaurs and about three-quarters of the planet's plant and animal species 66 million years ago.
But massive volcanic eruptions in India may also have contributed to the extinctions. Scientists have lon . . .