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Refugees who were lawfully admitted to the United States could be arrested if they have not yet obtained a green card, a change to previous policy that is the Trump administration’s latest effort to ...

It already exists in the natural world. Now, thanks to breakthroughs in genetic engineering, scientists have created “supersilk.” And it’s poised to upgrade far more than our clothing.

In the realm of medical advancements, a universal vaccine that can protect against any pathogen has long been a Holy Grail—and about as elusive as a mythological vessel. But Stanford Medicine ...