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OpenAI launches GPT 5.4 model with agentic PC control capabilities

OpenAI's GPT 5.4 autonomously controls PCs with a million-token context, enabling complex workflows in coding, analysis, and ...
eLife

Contractile peri-nuclear actomyosin network repositions peripheral and polar chromosomes to promote early kinetochore–microtubule interactions

This important study demonstrates that a peri-nuclear actomyosin network, present in some types of human cells, facilitates kinetochore-spindle attachment of chromosomes in unfavorable locations - ...