Soon, an AI agent may be better at this (a seed trend we will explore in a companion piece). For now, however, it's still a human-powered project, and one that leaves us with ever-growing awe at the ambitious ventures founders are willing to tackle. If all goes according to plan, we may see a future of living long lives in well-fortified locales where we actually do a credible job recycling our waste. Meanwhile, expect our skies to become increasingly crowded with ever more sophisticated satellites. Not so for startups. From ultrasound treatments for Alzheimer's to gene therapy to restore aged cells to regenerative medicine, seed-funded companies are working on a wide array of treatments aimed at extending lifespans and quality of life. The lineup of deals this year includes two very large investments. El Segundo, California-based Amca, which develops aerospace and defense products, launched with a $76.5 million initial funding round backed by Andreessen Horowitz, Founders Fund,...
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