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I don’t know — and I doubt that anyone does — whether we (as a species or a country) are over-reacting to the threat posed by the coronavirus, or under-reacting, or getting it about right ...

Over the past two decades, substantial knowledge has been attained about the mechanisms underlying the acquisition and subsequent extinction of conditioned fear. Knowledge gained on the biological ...

Last week, scientists at the United Nations' 10th Convention on Biological Diversity in Nagoya, Japan, report that more than one-fifth of the world's species are in danger of extinction. In the ...