Two new studies claim that huge volcanic eruptions in India actually happened before a city-sized asteroid drove the non-avian dinosaurs to extinction. The scientists suggest the eruptions may have weakened global ecosystems, leaving dinosaurs unable to recover from the impact.

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Two new studies claim that huge volcanic eruptions in India actually happened before a city-sized asteroid drove the non-avian dinosaurs to extinction. The scientists suggest the eruptions may have weakened global ecosystems, leaving dinosaurs unable to recover from the impact.