Our space and physics editors go head-to-head over a classic mind-bending question.
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The Great Debate: Could We Ever Travel through Time?

Tune in every week for quick, fascinating new developments and dives in the world of science.

Science

Amid Earth’s fourth global coral bleaching event, a leading expert says tackling climate change is the key to fighting back.
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Corals Are Once Again Bleaching En Masse, but Their Fate Isn’t Sealed

Ahead of a project to spray carbon dioxide into jungle plots, researchers contemplate what its results might signal about the forest’s future.
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A Long-Awaited Climate Experiment Is Poised to Launch in the Amazon. What Will It Find?

After years of delay, researchers are ready to inject carbon dioxide into jungle plots.
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A Singular Climate Experiment Takes Shape in the Amazon

Years in the making, a project in the Amazon rain forest is finally set to determine whether a rise in carbon dioxide could save one of the world’s largest carbon sinks.
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Will the Amazon Help Save the Planet?

Cows and at least one person in the U.S. have been sickened by avian influenza. We asked experts about the risk to humans.
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The Great Debate: Could We Ever Travel through Time?

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