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Experts Reaffirm Asteroid Impact Caused Mass Extinction

Experts Reaffirm Asteroid Impact Caused Mass Extinction

Responding to challenges to the hypothesis that an asteroid impact caused a mass extinction on Earth 65 million years ago, a panel of 41 scientists re-analyzed data and provided new evidence, concluding that an impact in Mexico was indeed the cause of the mass extinction.

Researchers Find That Well-Timed Timeout Is More Effective in Wiping Out Memory Response to Fear Stimulus

Banishing a fear-inducing memory might be a matter of the right timing, according to new research.