A world first at the microscopic scale: Metamaterials that can shrink and expand on their own

Leiden physicists Daniela Kraft and Julio Melio have created soft structures that can take on different shapes without any ...
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Nancy Guthrie updates: FBI gathers more video and tips as search nears 1 month

Add Yahoo as a preferred source to see more of our stories on Google. A photo released by the FBI of a person captured by Nancy Guthrie's doorbell camera, and Savannah Guthrie and Nancy Guthrie on the ...