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A man walks towards a flooded river, across a mud-strewn road.

The role of the scientist in a post-truth world

By John Morales | Climate Change, Opinion

A wargame suggests how a war between Israel and Iran might go nuclear

By Henry Sokolski | Nuclear Weapons

Iran vs. Israel redux: The enormous difficulties and ramifications if Israel attacks Iran’s nuclear sites

By Darya Dolzikova, Matthew Savill | Nuclear Weapons

adult elephant and baby touching trunks

A Green New Deal — from the GOP?

By Zoya Teirstein | Climate Change