4 Key Tech Developments This Week: Artificial Eggs, Musk vs. Altman, Brain Cryopreservation, and World Models

This week's tech headlines span from biology to courtroom drama. Colossal Biosciences claims a breakthrough in creating fully artificial chicken eggs, while Elon Musk's lawsuit against OpenAI ends in defeat. Meanwhile, a cryopreserved brain sparks debates on reanimation, and AI researchers push toward world models. Here are the four stories you need to know, broken down with key details.

1. Colossal Biosciences’ Fully Artificial Chicken Eggs

In a Dallas lab, baby chicks are emerging not from natural shells but from transparent 3D-printed plastic cups. Biotech firm Colossal Biosciences claims to have developed what it calls a fully artificial egg as part of its mission to resurrect extinct birds like the dodo and giant moa. The company grows chicks inside these synthetic enclosures, which mimic the protective and nourishing environment of a real egg.

However, some scientists argue Colossal is overhyping the achievement. The technology is still far from a true artificial womb, but it could serve as an early step toward that goal. The artificial eggshell might help conserve endangered avian species and enable more controlled studies of embryonic development. While the breakthrough is controversial, it marks a notable advance in synthetic biology and reproductive technology.

2. Elon Musk Loses Landmark Lawsuit Against OpenAI

Elon Musk’s high-profile legal battle with OpenAI has ended with a loss for the Tesla CEO. The lawsuit alleged that cofounders Sam Altman and Greg Brockman deceived Musk about the company’s nonprofit mission, pushing it toward for-profit interests. The courtroom drama revealed internal tensions but ultimately failed to prove the claims.

AI reporter and attorney Michelle Kim covered the trial for MIT Technology Review and discussed its implications in an exclusive Roundtables discussion. The case raises questions about the governance of AI companies and whether promises about openness and safety can be enforced. With OpenAI continuing its aggressive expansion, the ruling sets a precedent for how founders can navigate shifting organizational goals without legal repercussions.

3. A Cryopreserved Brain Sparks Reanimation Debates

L. Stephen Coles’s brain has been stored at around −146°C in an Arizona facility for over a decade. Before his death in 2014, Coles had the organ frozen with the ambitious hope of future reanimation. His friend, cryobiologist Greg Fahy, believes revival is possible, though many experts are deeply skeptical.

Fahy’s research could, however, lead to new methods for studying neurological diseases and perhaps improve cryopreservation techniques for organ transplants. The technology for preserving organs for transplantation is advancing, making the concept of long-term biological storage more practical. While reanimating a whole brain remains sci-fi, the work pushes the boundaries of what we understand about freezing and cellular damage.

4. Can AI Learn to Understand the Physical World?

Large language models (LLMs) have limitations when it comes to grasping real-world physics and causality. That's driving a shift toward world models—AI systems that build internal simulations of the environment. Google DeepMind, Fei-Fei Li’s World Labs, and Meta’s former chief AI scientist Yann LeCun are at the forefront of this trend.

These models aim to predict outcomes based on physical interactions, similar to how humans intuitively understand space, objects, and motion. If successful, they could power more capable robotics, autonomous vehicles, and even scientific discovery. MIT Technology Review will host a Roundtables discussion on May 21 to explore where this technology is heading, featuring insights from editor in chief Mat Honan and senior AI editor Will Douglas Heaven.

These four developments highlight the rapid pace of innovation—and the controversies that accompany it. From synthetic biology to legal battles and AI evolution, each story shapes how we view the future of science and technology.