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DARPA is funding a redoubled effort to develop a shelf-stable substitute for what field medics and trauma doctors need most: more blood.

Plus: A cyberattack overheated fridges at hundreds of French supermarkets.

Why the open-closed AI debate is more complicated than it seems ...

Most startups fail. A new industry is giving their data an afterlife in AI.

Plus: An Anthropic AI model submitted a fake tip about an unsolved murder.

We're still imagining building cities on the moon. There are just a few obstacles in the way.

Massive tree-planting programs lead to unhealthy monocrop plantations. Daisy Dent aims to help forests rebuild themselves.

Plus: The US has frozen green cards for Microsoft and other IT firms.

Could the drugs affect hair, nails, and vision?

Trevor Wischnewsky is making sure that the sky stays organized as we enter the age of food delivery by drone.