
Trump again nominates billionaire Jared Isaacman to lead Nasa
Tech entrepreneur will formally step into the role once approved by the Senate
Analysis UAE doubles down on US tech and AI ambitions amid Iran war
Executives from Nvidia, Aleria and DDN say geopolitical instability is accelerating demand for sovereign AI
How the Nile slowed to help an ancient empire thrive for centuries
Changing characteristics of vast river helped Kushite dynasty in what is now Sudan rise to power and society to develop
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