The Download: why LLMs are like aliens, and the future of head transplants

January 26, 2026
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Meet the new biologists treating LLMs like aliens   How large is a large language model? We now coexist with machines so vast and so complicated that nobody quite understands what they are, how…

Synthesia hits $4B valuation, lets employees cash out

January 26, 2026
British startup Synthesia, whose AI platform helps companies create interactive training videos, has raised a $200 million Series E round of funding that brings its valuation to $4 billion — up from $2.1 billion just a year ago.