President Donald Trump returns from his two-day summit with Chinese leader Xi Jinping with hints of deals but no progress on key issues that vex the U.S.-China relationship.
Investor Kenneth Hao’s $100 million gift to UCSF targets AI and collaboration. But he warns philanthropists can’t solve all ...
Two-thirds of Americans say Trump hasn’t explained a solid justification for the war, according to a Reuters/Ipsos poll ...
Producing cement from silicate rocks rather than limestone could lower both energy requirements and carbon dioxide emissions, ...
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