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A special issue on COVID-era research collaboration highlights the benefits to science and society of working across borders, cultures and disciplines.
Wealthier countries must join the United States, Russia and China in recognizing that everyone benefits if vaccine manufacturing is distributed evenly around the world.
There is no substitute for aggressive cuts in greenhouse-gas emissions. But the risks and benefits of technologies that could mitigate global warming need to be evaluated.
The pandemic has spawned too many uninformative clinical trials and reviews. Reform is needed to ensure the world gets the high-quality evidence it needs.