US watchdog upholds SpaceX's Moon lander contract

NASA did not violate regulations when it decided to give SpaceX the sole contract to build a Moon lander, a watchdog said Friday, in a ruling that denied challenges by competitors Blue Origin and Dynetics.

Structural changes: How the pandemic could influence architecture

Disease has often driven change in architecture and design. Cities cleared slums and opened up public spaces in response to the bubonic plague, and widened boulevards and added indoor plumbing due to yellow fever and cholera. ...

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