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Science & Technology

Nanoscale images of protein complex reveal secret to blood clotting chain reaction

3D Flexible Refinement of the TF/FVIIa/XK1/10H10/nanodisc structure. Credit: Blood (2025). DOI: 10.1182/blood.2025029430 If you’ve ever accidentally sliced yourself on broken glass or a piece of paper, you may have noticed that the bleeding can be hard to stop. Scientists have long wondered how the cascade of events that leads to blood clotting is triggered, especially...

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Choose your America: In the aftermath of the Kirk slaying, a snapshot of a fractured nation

The governor of Utah struggled to find the right words to describe the question so many have been asking: What is happening in America? The silence lasted nearly 10 seconds. He looked down. He opened and closed his mouth. “Our nation is broken,” Spencer Cox finally said, hours after the public killing of Charlie Kirk. The governor described violent...

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NATO responds to Russia’s drone incursion with ‘Eastern Sentry’ defense plan

Nick Schifrin: So this is a meeting that happened today between Treasury Secretary Scott Bessent and his counterparts from the G7, the seven leading industrialized economies in the world. And G7 officials tell me that there’s a U.S. proposal to try and punish Russia with the rest of the world. That is, the G7 must...